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Yellow boxfish

The yellow boxfish (Ostracion cubicus) is a species of marine bony fish in the family Ostraciidae, distinguished by its rigid, box-shaped body encased in a carapace of fused dermal plates that provides armor-like protection. Juveniles exhibit bright yellow coloration with numerous small black spots, while adults transition to brownish, bluish, or purplish hues with fewer spots, a honeycomb pattern on the body, and a yellow tail base. This tropical reef-associated fish reaches a maximum length of 45 cm and is characterized by small, triangular fins and a distinctive swimming motion powered by pectoral and caudal fins.^[1]^[2]^[3] Native to the Indo-West Pacific region—from the Red Sea and East Africa through Indonesia, the Philippines, and Australia to Hawaii and French Polynesia—and extending to the southeastern Atlantic off South Africa's coast, the yellow boxfish occupies a wide but specific range in tropical and subtropical waters between 30°N and 32°S. It thrives in marine environments at depths of 1–50 m (occasionally to 280 m), favoring lagoon reefs, semi-sheltered seaward reefs, rocky substrates, and areas with crevices or overhangs, where water temperatures range from 22–28°C and currents are moderate to slow. Juveniles often associate with Acropora corals or settle in small groups on sheltered reefs, while adults prefer deeper coastal slopes or sandy lagoon bottoms near seaweed meadows.^[1]^[3]^[2] Ecologically, the yellow boxfish is benthopelagic and typically solitary, though it may form harems consisting of one male and 2–4 females; juveniles remain secretive in reef crevices to avoid predators. Its diet consists primarily of benthic invertebrates such as mollusks, crustaceans, polychaete worms, sponges, and foraminiferans, supplemented by algae, microorganisms, and occasionally small fishes. A notable defense mechanism involves the secretion of ostracitoxin (also known as pahutoxin), a potent neurotoxin released from specialized club cells in the skin when stressed, which deters predators and can be lethal to other marine life. Reproduction details are limited, but the species is oviparous, with pelagic eggs. Classified as Least Concern by the IUCN due to its widespread distribution and lack of major threats, it faces minor risks from aquarium trade and habitat degradation, though populations remain stable.^[1]^[3]^[4]

Taxonomy and nomenclature

Classification

The yellow boxfish is scientifically classified as Ostracion cubicum Linnaeus, 1758, with the original binomial nomenclature provided by Carl Linnaeus in his Systema Naturae as Ostracion cubicus.^[5]^[6] This species belongs to the domain Eukaryota, kingdom Animalia, phylum Chordata, subphylum Vertebrata, class Actinopterygii (ray-finned fishes), order Tetraodontiformes (tetraodontiforms, which includes pufferfishes, filefishes, and related groups), suborder Ostracioidei, family Ostraciidae (boxfishes), genus Ostracion, and species cubicum.^[7]^[5]

Taxonomic Rank	Name
Kingdom	Animalia
Phylum	Chordata
Class	Actinopterygii
Order	Tetraodontiformes
Family	Ostraciidae
Genus	Ostracion
Species	cubicum

Within the family Ostraciidae, O. cubicum is closely related to other boxfishes, including trunkfishes (such as species in Lactophrys) and cowfishes (such as species in Lactoria), sharing the characteristic rigid, carapace-enclosed body structure typical of the family, which distinguishes Ostraciidae from other tetraodontiform families like Tetraodontidae (puffers).^[8]^[9] Known synonyms for O. cubicum include Ostracion cubicus Linnaeus, 1758 (original spelling, now considered a misspelling due to gender agreement with the neuter genus Ostracion), Ostracion cubicua Linnaeus, 1758 (misspelling), Ostracion tuberculatus Linnaeus, 1758, and Ostracion argus Rüppell, 1828 (a junior synonym applied to certain populations).^[5]^[10] Taxonomic revisions have primarily addressed spelling corrections and synonymy; for instance, the epithet was emended to cubicum to match the neuter gender of the genus (a neotype was proposed by Fricke in 1999 but later deemed invalid).^[10] Linnaeus's original description placed the species based on Indo-Pacific specimens, and subsequent work has confirmed its validity without major reclassifications at the species level.^[6]^[5]

Etymology

The common name "yellow boxfish" derives from the bright yellow coloration of juveniles, often accented with black spots, combined with the rigid, box-like carapace formed by fused bony plates that encases the body.^[3]^[11] The genus name Ostracion originates from the Greek word ostrakion, meaning a shell or small box, in reference to the protective bony armor characteristic of the genus.^[1] The specific epithet cubicus comes from the Latin cubicus, denoting cubic or box-shaped, which alludes to the angular, cube-like body form of the species.^[11] This binomial name was established by Carl Linnaeus in the tenth edition of Systema Naturae published in 1758.^[12]

Physical characteristics

Morphology

The yellow boxfish (Ostracion cubicus) exhibits a highly specialized box-shaped body, characterized by a rigid carapace formed from fused dermal bones that encase the head and trunk. This carapace consists of enlarged, thickened plates, predominantly hexagonal in shape, which are firmly sutured together to create a protective armor with a rectangular or triangular cross-section. The structure leaves precise openings for the mouth, nostrils, eyes, gill slits, fins, anus, and caudal peduncle, while the body depth is nearly equal to its length, contributing to its compact, cubic form. Adults typically reach a maximum total length of 45 cm.^[13]^[14]^[4] The fins are adapted to the constraints of the armored body: the dorsal and anal fins are reduced, with 8–9 and 9 soft rays respectively, while the pectoral fins are relatively large and used prominently for propulsion. The caudal fin, comprising 10 rays, emerges from a narrow peduncle but exhibits limited flexibility due to the encircling carapace, restricting undulatory movements. No pelvic fins are present, and the absence of a spinous dorsal fin is typical of the family.^[1]^[13]^[15] The head is proportionally small, featuring a terminal mouth equipped with small, conical teeth in a single row (typically 8–10 per jaw) for grazing, and eyes positioned laterally high on the head for broad visibility. There are no true scales on the body; instead, the integument is integrated into the carapace's bony ridges and plates. Internally, the gill apparatus is modified with openings reduced to a single, short vertical slit anterior to the pectoral-fin base, and a swim bladder is present to regulate buoyancy.^[13]^[16]^[17]

Coloration and development

The yellow boxfish (Ostracion cubicus) undergoes striking ontogenetic changes in coloration and morphology from its juvenile to adult stages, reflecting adaptations to its coral reef environment. Juveniles, typically measuring 3–8 cm in length, display a vibrant yellow body covered in numerous small black spots, which serve as a warning coloration to deter predators aware of the species' toxic mucus secretion.^[1]^[11] This bright patterning contrasts with the more subdued adult appearance and may also aid in visual signaling among conspecifics during early life stages. The juvenile body is compact and nearly spherical, enclosed in a rigid carapace formed by fused hexagonal scales.^[18] As the fish grows to subadult sizes around 10–15 cm, transitional changes become evident, with the vivid yellow hue fading to a yellowish-brown or olive tone and the black spots beginning to coalesce or reduce in number, sometimes developing blue rings around them.^[19]^[11] In adults, which can reach up to 45 cm total length, the coloration further darkens to blue-grey, brown, or purplish-brown, particularly in larger individuals, while the spots largely fade, giving way to a distinctive honeycomb pattern of raised ridges on the carapace and face.^[18]^[1] Accompanying these color shifts, the snout elongates and develops a prominent bony hump above the mouth, resulting in a less spherical, more streamlined profile that enhances hydrodynamic efficiency.^[11] These ontogenetic modifications likely facilitate camouflage against reef substrates in adulthood, reducing visibility to predators compared to the conspicuous juvenile phase, though they may also play roles in intraspecific signaling. Sexual dimorphism in coloration and size emerges in adulthood, with males generally slightly larger than females and exhibiting more pronounced blue tones in their carapace and fins, while females retain duller yellowish-brown hues.^[16] This difference aligns with the species' protogynous hermaphroditism, where larger, bluer males dominate harems of 2–4 females, potentially using their intensified coloration for territorial displays or mate attraction.^[16] Overall, these developmental transitions underscore the yellow boxfish's evolutionary balance between juvenile crypsis or aposematism and adult integration into complex reef ecosystems.^[4]

Distribution and ecology

Geographic range

The yellow boxfish (Ostracion cubicus) is distributed throughout the Indo-Pacific region, ranging from the Red Sea and the East African coast, including the Persian Gulf, to the Hawaiian and Tuamotu islands in the central Pacific.^[20] Its range encompasses Indian Ocean islands such as the Maldives and Seychelles, extends across Southeast Asia, and includes Pacific locales like the Ryukyu Islands, the Great Barrier Reef, and [Lord Howe Island](/page/Lord_Howe Island).^[20]^[21] The species reaches its westernmost extent in the southeastern Atlantic along the south coast of South Africa.^[20] Typically found in shallow waters, the yellow boxfish inhabits depths from 1 to 50 meters, though records exist up to 280 meters in exceptional cases.^[20] It is primarily associated with coral reef environments within this range.^[20] Recent observations have documented range extensions along northern Indian Ocean coasts, including a 2010 report of specimens from Digha on India's east coast and 2021 records from Gwadar and Churna Island in Pakistan, marking new occurrences for those areas.^[22]^[23] The species has also established a non-native population in the eastern Mediterranean Sea since its first record in 2011 off the coast of Lebanon, likely as a Lessepsian migrant via the Suez Canal.^[24] The species is absent from the eastern Pacific Ocean, though it occurs in tropical and subtropical marine realms, with some records extending into warm-temperate waters.^[20]

Habitat preferences

The yellow boxfish (Ostracion cubicus) primarily inhabits coral reef ecosystems in tropical waters, favoring protected environments such as lagoons, back-reefs, and semi-sheltered seaward reefs where it can navigate among complex structures.^[1] These fish are associated with coral and rocky reefs, including areas with rubble, which provide suitable foraging grounds and concealment opportunities.^[13] Juveniles are commonly observed in shallower, more protected zones among branching Acropora corals, utilizing these habitats for refuge during early development.^[1] Optimal water conditions for the yellow boxfish include tropical temperatures ranging from 24.5°C to 29°C, with a mean of 28°C, supporting their metabolic and behavioral needs in these reef settings.^[1] The species inhabits fully marine conditions on reefs.^[25] For shelter, adult yellow boxfish often hide in crevices, under coral overhangs, or within rubble piles to evade predators, leveraging their rigid carapace for protection in these confined spaces.^[1] Juveniles exhibit secretive behavior, seeking out narrow crevices in shallower protected areas to minimize exposure.^[1] Additionally, the yellow boxfish occasionally associates with cleaner fish stations, where it benefits from symbiotic cleaning interactions with species like bluestreak cleaner wrasse (Labroides dimidiatus), removing parasites in exchange for access to ectoparasites.^[26]

Behavior and physiology

Diet and feeding

The yellow boxfish (Ostracion cubicus) maintains an omnivorous diet dominated by herbivory, with marine algae forming the primary component. This is supplemented by benthic invertebrates such as molluscs, crustaceans, polychaete worms, sponges, and foraminiferans, along with occasional small fish and microorganisms. Such dietary flexibility supports its role in reef ecosystems by controlling algal growth while exploiting diverse sessile and infaunal prey.^[20]^[3] Foraging occurs primarily through benthic grazing, where the fish hovers or rests near substrates in lagoon and reef environments, using its small, terminal mouth to scrape and nibble at algae and associated organisms. The jaws feature moderate, conical teeth, usually less than 15 in each jaw, enabling effective shearing and scraping of hard surfaces. This mouth structure, supported by robust jaw musculature, allows precise targeting of sessile prey while minimizing energy expenditure in its slow-moving lifestyle. Feeding activity is predominantly diurnal, aligning with peak light availability on coral reefs.^[13]^[20] Digestive adaptations in the yellow boxfish reflect its mixed trophic niche, featuring a relatively short intestine suited to processing both plant and animal matter efficiently. The absence of a distinct stomach, common among tetraodontiforms, relies on the beak for initial mechanical breakdown, with enzymatic digestion handling the varied prey composition. This streamlined system facilitates rapid nutrient absorption in nutrient-variable reef settings.^[20]

Locomotion

The yellow boxfish (Ostracion cubicus) relies on the oscillation of its pectoral fins for propulsion during slow, precise maneuvering, enabling it to navigate complex reef environments with high control. The dorsal and anal fins provide stability by counteracting rolling and pitching motions, while the rigid carapace briefly referenced in morphological descriptions further enhances postural steadiness during locomotion. This fin-based swimming, known as median and paired fin (MPF) propulsion, powers rectilinear forward motion and subtle turns without frequent use of the caudal fin.^[27] The boxfish's angular body shape generates a low drag coefficient of approximately 0.27 at typical swimming speeds (Reynolds number ~67,860), which minimizes energy expenditure despite the form's apparent inefficiency compared to streamlined fish. Surprisingly, this geometry produces destabilizing hydrodynamic forces in yaw and pitch that promote agility rather than hinder it, allowing for responsive adjustments in direction. These properties have inspired biomimetic designs in autonomous underwater vehicles and automotive concepts seeking efficient, stable flow dynamics.^[27] In terms of speed, the yellow boxfish cruises at 0.7–3.5 body lengths per second but can achieve burst speeds up to 5 body lengths per second using occasional caudal fin beats in a burst-and-coast pattern, translating to roughly 5 km/h for an adult specimen of 30 cm length. Its agility shines in tight maneuvers, such as 180° turns with near-zero turning radius facilitated by the caudal fin acting as a rudder, though sustained high-speed pursuits are limited by its fin-dominated locomotion.^[27] Buoyancy control in the yellow boxfish is managed by a swim bladder, which adjusts gas volume to achieve neutral buoyancy and enables stationary hovering over reefs with minimal energy input from fins. This adaptation supports prolonged positioning in current-swept habitats, complementing the fish's precise fin movements for overall locomotion efficiency.^[28]

Defense mechanisms

The yellow boxfish (Ostracion cubicus) employs a multifaceted array of defense mechanisms to protect itself from predators in coral reef environments. Its primary physical adaptation is a rigid carapace formed by interlocking bony scutes that encase the body, providing robust armor against crushing and penetrating attacks. This tessellated structure consists predominantly of hexagonal plates (40–71% of scutes), supplemented by pentagonal, heptagonal, and other polygonal shapes, which interlock via suture-like joints to distribute stress and prevent crack propagation across the surface.^[14] The carapace's mineralized hydroxyapatite layer, supported by a collagenous base with oriented fibers, enhances its biomechanical strength, allowing it to withstand compressive forces up to 65–85 N in punch tests without fracturing the plates themselves—failure instead occurs in the underlying soft tissues. Edge scutes are thicker and exhibit higher aspect ratios (0.3–0.4), further reinforcing vulnerable areas and minimizing stress transmission to internal organs during predator strikes.^[14] In addition to its armored exoskeleton, the yellow boxfish secretes a toxic mucus as a chemical deterrent when stressed or handled. This defensive secretion contains ostracitoxin, a pahutoxin-like quaternary ammonium surfactant that functions as a neurotoxin, binding to specific receptors on fish gills and disrupting neural function.^[29] Released from specialized skin glands, the mucus is lethal to other reef fish in concentrated doses, with pahutoxin and associated polypeptides (such as boxin) independently toxic through receptor-mediated pathways rather than mere surface tension effects.^[29] Non-toxic protein components in the secretion act as chelators and potentiators, amplifying the toxin's potency and ensuring effective predator deterrence even at lower concentrations.^[29] In aquarium settings, this toxin can pose risks to cohabiting species if released, though the yellow boxfish itself remains unaffected.^[29] Camouflage and aposematic signaling further bolster the yellow boxfish's defenses through ontogenetic changes in coloration. Juveniles display bright yellow bodies adorned with numerous black spots, serving as aposematic warning coloration to advertise their toxicity and unpalatability to potential predators.^[30] This vivid pattern, complemented by the species' chemical defenses, forms an early anti-predator strategy that enhances survival in exposed reef habitats.^[30] As adults mature, the yellow hue fades to mottled brown with fewer spots and a developing honeycomb-like pattern over the face and body, which blends with reef rubble and coral debris for cryptic camouflage against visual hunters.^[2] Behaviorally, the yellow boxfish relies on evasion tactics suited to its rigid form, slowly retreating into reef crevices or behind rock formations when threatened. Despite the carapace's bulk limiting agility and refuge-seeking compared to more flexible species, this maneuver allows it to exploit the complex reef structure for shelter while foraging nearby.^[31]

Reproduction

The yellow boxfish (Ostracion cubicus) is a protogynous hermaphrodite, transitioning from female to male, and employs a haremic mating system during the breeding season, typically consisting of one dominant male and 2–4 females.^[16] Males defend territories where females aggregate for reproduction, with observations indicating that several females may gather in a male's territory during spawning periods.^[17] This social structure facilitates multiple mating opportunities for the male within the harem. Spawning involves external fertilization and occurs near the water's surface, often in the late afternoon or after sunset. The male approaches a receptive female, and the pair rises together, releasing gametes side-by-side with their caudal fins curled in opposite directions to ensure fertilization of the pelagic eggs.^[16] Eggs are released in batches, with the species exhibiting high fecundity, though exact numbers per spawning event vary; no parental care is provided post-fertilization.^[20] The fertilized eggs develop into planktonic larvae that remain in the water column for several weeks, dispersing via ocean currents before settlement onto reefs.^[20] Upon settlement, the small juveniles seek narrow crevices for protection, transitioning to a more secretive lifestyle.^[20] This pelagic larval phase contributes to the species' wide distribution across Indo-Pacific reefs. Adult yellow boxfish (Ostracion cubicus) lead predominantly solitary lives, inhabiting coral reefs and rocky areas where they maintain individual territories, often avoiding close contact with conspecifics or other species.^[3]^[32] Males display territorial aggression toward other males, defending personal space through displays and occasional confrontations to establish dominance.^[25] This territoriality contributes to their generally peaceful interactions with non-aggressive reef inhabitants, as they tend to retreat into crevices or change position to minimize conflicts.^[25] Communication among yellow boxfish primarily occurs through acoustic signals during agonistic encounters, where individuals produce simultaneous hums and clicks using specialized sonic muscles.^[16] These sounds, consisting of low-frequency hums interspersed with higher-amplitude clicks, likely serve to signal aggression or warn off intruders without physical contact.^[16] Visual cues, such as body orientation and fin movements, may also play a role in these interactions, though specific displays remain understudied in wild populations.^[16] Juveniles exhibit secretive behavior, concealing themselves in narrow crevices on reefs for protection, which further emphasizes the species' solitary tendencies from an early age.^[20] As they mature, this isolation persists outside of brief reproductive groupings, such as harems formed during spawning.^[20]

Human interactions

Conservation status

The yellow boxfish (Ostracion cubicum) is classified as Least Concern by the International Union for Conservation of Nature (IUCN), with this status reflecting its extensive distribution across Indo-Pacific coral reefs and the absence of evidence for significant population declines as of the 2023 assessment.^[1] This evaluation considers the species' resilience and commonality in suitable habitats, where it maintains stable abundances despite localized pressures. Although not facing imminent extinction, the yellow boxfish encounters minor threats from collection for the international aquarium trade, where it is commercially available but not subject to international regulations under the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES).^[1] Habitat degradation through coral bleaching, driven by rising ocean temperatures and climate change, indirectly affects the species by altering its preferred reef environments, though impacts remain limited due to its broad range.^[33] Bycatch in commercial fisheries targeting other reef species also poses a low-level risk, particularly in areas with intense fishing pressure.^[34] Population monitoring through underwater surveys, such as those conducted by the Reef Life Survey, indicates the yellow boxfish is frequently encountered, appearing in approximately 15.5% of reef sites across its range, with no observed trends of decline.^[2] This prevalence underscores its ecological stability in protected and unprotected areas alike. Protective measures for the yellow boxfish are primarily indirect, provided through regional marine protected areas that encompass key portions of its habitat, including the Great Barrier Reef Marine Park in Australia, where fishing and collection are regulated to preserve reef biodiversity.^[3] Its non-listing under CITES further emphasizes that global trade controls are not currently warranted, allowing focus on broader reef conservation initiatives.^[1]

Aquarium husbandry

The yellow boxfish (Ostracion cubicum) requires careful husbandry in aquariums due to its sensitivity to stress and specific environmental needs. It is considered challenging to maintain and is not recommended for beginners, as suboptimal conditions can lead to health issues or toxin release affecting the entire tank.^[35]^[36] A minimum tank size of 125 gallons (approximately 473 liters) is essential to accommodate its adult size of up to 18 inches (45 cm), providing ample swimming space and reducing stress. The setup should mimic a reef environment with a sandy substrate for the fish to sift through, live rock for hiding, and moderate water flow to simulate natural currents. Water parameters must remain stable, with temperatures between 72–78°F (22–26°C), salinity of 1.020–1.025 specific gravity, and pH of 8.1–8.4; a protein skimmer is recommended to maintain high water quality, as the species is intolerant of elevated nitrites or ammonia.^[37]^[38]^[39] Diet should be varied and omnivorous to support health, consisting of high-quality flakes, frozen preparations like brine shrimp, mysids, or chopped squid, and algae-based foods such as nori sheets for grazing. Feed small portions 3–6 times daily during daylight hours, ensuring all food is consumed within 10–15 minutes to avoid water fouling; avoid floating foods to prevent air ingestion, which can cause buoyancy issues. Overfeeding should be minimized to prevent digestive problems and potential toxin buildup from stress.^[40]^[35]^[39] Key challenges include the release of ostracitoxin from skin mucus glands when stressed, which can poison tank mates and even the fish itself, potentially wiping out an entire aquarium. The species may also nip at invertebrates like tubeworms, anemones, or small crustaceans, making it unsuitable for reef tanks with delicate corals or sessile species. In captivity, yellow boxfish typically live 10–15 years under optimal conditions, similar to estimates for wild individuals around 10 years. Breeding is rare in aquariums due to complex reproductive behaviors and lack of successful protocols.^[36]^[35]^[37] For compatibility, house singly or with other peaceful, similarly sized marine fish in a species-only or fish-only setup, avoiding aggressive tank mates that could harass it. Monitor for signs of stress, such as hiding or color fading, and quarantine new additions to prevent disease introduction, as the fish is sensitive to common treatments like copper-based medications.^[35]^[41]

Engineering inspiration

The yellow boxfish (Ostracion cubicum) has served as a key model in biomimicry research since the mid-1990s, when engineers at Mercedes-Benz Technology Center in Sindelfingen, Germany, began investigating its form for automotive applications. In 1996, a team led by Dieter Gürtler examined the boxfish's rigid, angular carapace after initial considerations of more streamlined marine animals like sharks and dolphins proved less suitable for compact vehicle designs. This work, conducted under DaimlerChrysler (the parent company at the time), involved hydrodynamic testing of boxfish models from aquariums and museums, revealing low drag coefficients (as low as 0.06 for a clay model) despite its boxy shape, though subsequent studies have questioned the accuracy for the actual fish's swimming dynamics.^[42]^[43] A prominent outcome of this research was the 2005 Mercedes-Benz Bionic concept car, which directly mimicked the yellow boxfish's streamlined yet angular body to achieve superior fuel efficiency. The vehicle's design incorporated the boxfish's fused hexagonal bone plates for a lightweight, rigid structure and its overall form for aerodynamics, resulting in a drag coefficient of 0.19—over 65% better than typical compact cars (around 0.30) and enabling projected fuel consumption of 4.3 liters per 100 km. This concept demonstrated how the boxfish's geometry could reduce energy use in transportation without sacrificing interior space.^[44] The hydrodynamic principles of the yellow boxfish's carapace, particularly its keeled edges that generate stabilizing longitudinal vortices to minimize turbulence, have extended beyond automotive design to underwater robotics and vehicles. These vortices enhance directional stability while allowing agile turns, inspiring hull shapes for autonomous underwater vehicles (AUVs) used in coral reef monitoring, where reduced drag improves battery life and maneuverability in complex environments. For instance, biomimetic AUV prototypes replicate the boxfish's carapace to achieve self-correcting spiral flows, cutting turbulence-induced energy loss by up to 20% in simulations.^[45] Further applications include wind tunnel studies adapting the boxfish form for aerospace and heavy-duty vehicles, such as trailer designs that lower aerodynamic drag by 13-17% through carapace-like edge features. Companies like Boxfish Research Limited develop vectored-thruster ROVs for subsea inspections, drawing general inspiration from boxfish-like stability in their designs. These innovations highlight the boxfish's role in prioritizing efficiency and robustness in fluid dynamics engineering.^[46]^[47]

References

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### Summary of Physical Description, Morphology, and Anatomy of Ostracion cubicus
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Boxfishes of the family Ostraciidae (also including the trunkfishes and cowfishes) are generally solitary beings, and the yellow boxfish is no exception.Why Are Yellow Boxfish A... · Characteristics Of Yellow... · Do Yellow Boxfish Make Good...<|separator|>
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Saltwater Aquarium Fish Species Profile: Boxfish - LiveAquaria
Popular for the “honeycomb” or hexagonal patterns on their skin, these whimsical fish come in a variety of different colors. These hexagonal scales are fused ...
[35]
Cubicus Boxfish: Saltwater Aquarium Fish for Marine ... - LiveAquaria
It should have a minimum of a 125 gallon tank. Use caution if placing the Spotted Boxfish in a reef tank as they will often nibble at tubeworms. If stressed, ...
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BoxFish – Yellow - Roxy Aquarium
Yellow Boxfish thrive in water temperatures between 72°F and 78°F, with a pH range of 8.1 to 8.4. They typically grow up to 18 inches in length and require a ...Missing: compatibility | Show results with:compatibility
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Yellow Boxfish - Quality Marine
Yellow Boxfish are an overall yellow color with blue to black spots, adults are generally a dark yellow with dark spots. Yellow Boxfish can grow to almost 18".<|separator|>
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Fish of the Day: Cube Boxfish, Yellow Boxfish / Ostracion cubicus
May 9, 2012 · Scientific Name - Ostracion cubicus Common Name - Cube Boxfish (Yellow Boxfish) Size - 17.7" (45 cm) Min. Aquarium Size - 180 US Gal. (681 L)
[39]
https://www.qualitymarine.com/quality-marine/fish/trunkfishes/ostracion/cubicus-33005/
[40]
Mercedes and the boxfish | The Scientist
Aug 31, 2006 · In 1996, Dieter Gürtler and his colleagues from the Mercedes Technology Center in Sindelfingen, Germany, were looking for a model for a holistically conceived ...Missing: 1990s | Show results with:1990s
[41]
Design of new Mercedes-Benz bionic car inspired by fish body shape
Jul 10, 2005 · The research model in the shape of a boxfish betters the drag coefficient of today's compact cars by more than 65 percent. Cd 0.19: one of the ...Missing: history | Show results with:history
[42]
[PDF] The Boxfish Advantage: A Novel Biomimetic AUV Design for Coral ...
which leverages Ostracion cubicus' hydrodynamic adaptations. My engineering goal was to design the body of a specialized AUV for coral habitat research ...
[43]
Biomimicry as a tool for the Aerodynamic Drag Reduction of Class 8 ...
Aug 8, 2023 · Biomimicking Boxfish hydrodynamics reduced trailer drag by 13.8% in simulations and 16.7% in wind tunnel experiments, resulting in 14-16% ...
[44]
Patents Assigned to Boxfish Research Limited - Justia Patents Search
Abstract: An underwater ROV or AUV with 8 vectored thrusters that provides a high degree of dynamic stabilisation, 6-degrees of freedom, and a system to control ...Missing: inspired hulls aerospace