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Coryphaena

Coryphaena Linnaeus, 1758, is a genus of ray-finned fishes in the family Coryphaenidae, commonly known as dolphinfishes, comprising two accepted species: the common dolphinfish (C. hippurus) and the pompano dolphinfish (C. equiselis). These epipelagic marine predators are distinguished by their streamlined, compressed bodies, vibrant metallic blue-green to golden hues, and a single long-based dorsal fin that extends from the head to the tail, with mature males of C. hippurus featuring a prominent bony forehead crest.^[1]^[2]^[3] Native to tropical and subtropical waters across the Atlantic, Indian, and Pacific Oceans, species of Coryphaena exhibit a circumglobal distribution between approximately 40°N and 40°S latitudes, often associated with floating debris, weed lines, or temperature fronts where sea surface temperatures range from 21°C to 30°C.^[2]^[4] They inhabit the upper layers of the open ocean (typically 0–85 m depth, most commonly 5–10 m), forming large, fast-moving schools that undertake extensive migrations driven by seasonal oceanographic changes.^[5] Ecologically, these carnivorous fish are opportunistic feeders, preying on a wide array of smaller fishes, crustaceans, squid, and zooplankton, with C. hippurus reaching sexual maturity in just 4–5 months and spawning pelagically multiple times per year in warm waters.^[2]^[3] The genus holds significant commercial and recreational value, with C. hippurus—often marketed as mahi-mahi or dorado—being one of the most important pelagic fisheries species globally due to its rapid growth, high fecundity, and lean, flavorful flesh.^[2] Taxonomic revisions confirm the monophyly of Coryphaena within Coryphaenidae, supported by morphological traits like fin ray counts (dorsal: 58–66; anal: 25–31) and genetic analyses revealing adaptations to diverse oceanic habitats.^[6] Despite their abundance, populations face pressures from overfishing and bycatch in tropical fisheries, underscoring the need for sustainable management.^[4]

Taxonomy

Classification

The genus Coryphaena is classified within the family Coryphaenidae, a monotypic family that includes only this genus and two recognized species.^[7] The full taxonomic hierarchy for Coryphaena is as follows: Kingdom Animalia, Phylum Chordata, Class Actinopterygii, Order Carangiformes, Family Coryphaenidae, Genus Coryphaena.^[7] Phylogenetically, the genus occupies a position within the diverse Percomorpha clade of ray-finned fishes, where it shows close affinities to carangids (family Carangidae) and other pelagic groups exhibiting perciform-like traits, such as remoras (Echeneidae) and cobias (Rachycentridae).^[8] Traditionally placed in the order Perciformes, the family Coryphaenidae was reclassified into the newly defined order Carangiformes during the 2010s, driven by molecular phylogenetic analyses that resolved Percomorpha's internal structure and highlighted the monophyly of carangiform lineages.^[9] The type species of the genus is Coryphaena hippurus Linnaeus, 1758, which serves as the nomenclatural type and was originally described under the synonym Scomber pelagicus Linnaeus, 1758.^[1]

Etymology

The genus name Coryphaena originates from Ancient Greek, derived from korys (κόρυς), meaning "helmet," and phainō (φαίνω), meaning "to show" or "make manifest," alluding to the crested, helmet-like head of the fish, as noted by Aristotle and adopted by Linnaeus.^[10] This etymology specifically references the prominent, bony forehead crest that develops in mature males of the type species C. hippurus.^[10] The genus was first formally described by Carl Linnaeus in the 10th edition of Systema Naturae in 1758, where he established Coryphaena as a taxonomic group within the class Pisces, based on observations of specimens from open seas.^[11] Linnaeus's naming drew from classical sources, including Pliny the Elder, who referred to similar fish as hippurus (horse-tailed), but the genus name itself emphasizes the distinctive cranial structure rather than the tail.^[10] Common names such as "dolphinfish" for species in this genus arose historically in English due to the fish's streamlined body and elongated dorsal fin, which superficially resemble a swimming dolphin when viewed from above, despite no close relation to the marine mammals.^[4] To avoid confusion with cetaceans of the family Delphinidae, the term "dolphinfish" explicitly distinguishes the fish, and alternative names like "mahi-mahi" (from Hawaiian, meaning "very strong") are often used in commercial contexts.^[4]

Species

Coryphaena hippurus

Coryphaena hippurus, commonly known as the common dolphinfish or mahi-mahi, is a large pelagic fish species belonging to the family Coryphaenidae. It is characterized by an elongated, compressed body that reaches a maximum total length of 210 cm (6.9 ft) and a weight of up to 40 kg (88 lb). The body features a long, continuous dorsal fin extending from just behind the head to the caudal fin, consisting of 58-66 soft rays, while the anal fin has 25-31 soft rays and originates near the anus, creating a concave anterior margin.^[12]^[11] A key distinguishing trait of C. hippurus is sexual dimorphism in head shape, particularly evident at maturity. Males develop a prominent, blunt bony crest on the forehead, giving the head a steeply sloping profile, whereas females retain a more rounded, gently sloping forehead without such a crest. The pectoral fins are notably long, exceeding half the head length, and the species has small cycloid scales and a small oval patch of teeth on the tongue. These features help differentiate it from the closely related Coryphaena equiselis, which has a less pronounced crest in males and a more vertical head profile.^[12]^[11] This species exhibits a circumtropical distribution across the Atlantic, Pacific, and Indian Oceans, inhabiting surface waters in tropical and subtropical regions typically between 50°N and 40°S. It is often found in large, mixed-sex and size-segregated schools, which can number in the thousands and are more extensive than those typically formed by C. equiselis, frequently associating with floating debris, weed lines, or vessels.^[12]^[11] Locally, C. hippurus is referred to as mahi-mahi in Hawaiian, dorado in Spanish-speaking regions, and dolphinfish in English, reflecting its cultural and commercial significance in various fisheries. It is assessed as Least Concern by the IUCN.^[11]^[13]

Coryphaena equiselis

Coryphaena equiselis, known as the pompano dolphinfish, is a pelagic species in the family Coryphaenidae, distinguished by its smaller stature and subtler cranial features compared to its congener C. hippurus. Adults reach a maximum total length of 127 cm, with common lengths around 50 cm. The body is elongate and laterally compressed, with a depth exceeding 25% of the standard length, and covered in small cycloid scales. Unlike the prominent, hypertrophied forehead crest developed in mature males of C. hippurus, C. equiselis maintains a more rounded head profile in both sexes, with a bony crest in large adults that is less prominent than in C. hippurus.^[14]^[11]^[15] Key distinguishing traits include fin ray counts and other meristic features: the dorsal fin bears 52-59 soft rays and originates near the nape, extending nearly to the caudal fin base, while the anal fin has 23-29 rays and exhibits a convex shape. The pectoral fins are positioned midway along the head length and measure about half the head length, and the tongue features a broad, square tooth patch covering 50-60% of its surface. Juveniles display a fully white caudal fin margin and unpigmented pelvic fins, aiding separation from C. hippurus juveniles, which have white-tipped caudal fins and dark pelvic fins. These traits contribute to its more compact, less streamlined appearance overall.^[14]^[11]^[15] The species exhibits a circumtropical distribution in the Atlantic, Indian, and Pacific Oceans, favoring warmer equatorial and subtropical surface waters above 24°C, though it ranges from 48°N to 48°S. It inhabits primarily oceanic environments at depths of 0-400 m but occasionally enters coastal areas; adults are more pelagic and tropical in preference than C. hippurus. C. equiselis often occurs in mixed schools with C. hippurus, where it can be identified by its smaller size, deeper body, and rounded head. Like other Coryphaena species, it engages in schooling behavior near floating objects or boats.^[14]^[11]^[16] Common names for C. equiselis include pompano dolphinfish in English, dorado enano in Spanish, and lampuga in Italian. It is assessed as Least Concern by the IUCN.^[14]^[17]^[18]

Physical characteristics

Morphology

Coryphaena species exhibit an elongated body that is laterally compressed, featuring a deeper profile anteriorly that tapers toward the posterior end, and the entire body is covered with small cycloid scales.^[11] This streamlined form facilitates rapid movement through the water column in pelagic habitats.^[11] The fin configuration is distinctive, with a single continuous dorsal fin originating near the nape and extending to the caudal peduncle, comprising 52–66 soft rays.^[11] The anal fin is relatively short, positioned posterior to the anus and running to the caudal peduncle with 23–31 soft rays, while the pectoral fins are long and falcate, enhancing maneuverability and providing hydrodynamic lift during swimming.^[11] The caudal fin is deeply forked, supporting high-speed propulsion.^[11] The head is characterized by a terminal mouth lined with bands of small, fine teeth adapted for grasping prey, complemented by a lateral line system that detects vibrations and water movements in open-ocean environments.^[11]^[4] Eyes are positioned laterally, supporting diurnal visual hunting.^[2] Internally, Coryphaena lacks a swim bladder, instead maintaining buoyancy through continuous swimming and lift generated by the pectoral fins in surface waters.^[19] Variations in bony crest development on the forehead occur across individuals.^[11]

Coloration and sexual dimorphism

Coryphaena species exhibit striking iridescent coloration, featuring metallic blues and greens on the back and sides, golden hues on the flanks, and silvery-white underparts, often accented by small dark spots scattered across the head and body.^[11] Juveniles of C. hippurus display prominent vertical dark bars along the sides that fade in adults, while C. equisetis juveniles appear more uniformly dark.^[4] These colors can shift rapidly between silver-blue and yellowish phases in live fish, with the yellowish phase—characterized by bright yellow fins and greenish-yellow body—becoming more evident at sea during feeding or stress.^[19] Sexual dimorphism in Coryphaena is pronounced, particularly in head morphology and size. Mature males of both C. hippurus and C. equisetis develop a prominent vertical bony crest on the forehead, creating a steep profile, while females retain a more rounded, sloped head; this crest becomes evident in C. hippurus males around 40 cm fork length and in C. equisetis above 35 cm standard length.^[11] Males are generally larger than females of comparable age, with the dimorphism serving as a reliable identifier in adults.^[4] Both sexes display intensified iridescent blues, greens, and yellows during spawning, potentially aiding in mate signaling.^[3] Upon capture or death, the vibrant hues fade quickly to a uniform silvery or dull yellow-gray, sometimes passing through mottled brown phases due to chromatophore contraction.^[4]^[19] This post-capture color alteration is a key diagnostic trait for identification in fisheries.^[11]

Distribution and habitat

Geographic range

The genus Coryphaena exhibits a circumglobal distribution in tropical and subtropical waters across the Atlantic, Pacific, and Indian Oceans.^[11] In the Atlantic Ocean, species are present from the Gulf of Mexico and Caribbean Sea northward to regions like the U.S. East Coast and southward to Brazil, while in the Pacific, they range from Hawaii eastward to the coastal waters off Peru and Oregon.^[20]^[2] The Indian Ocean hosts populations off East Africa and in western regions, with overall latitudinal limits extending approximately from 40°S to 50°N.^[11]^[21] Coryphaena hippurus (common dolphinfish) is the more widespread and abundant species within the genus, occurring broadly in open oceanic and near-coastal waters of all three major ocean basins.^[11] In contrast, C. equisetis (pompano dolphinfish) shows a more restricted distribution, primarily concentrated in equatorial and tropical zones, with records from the western Atlantic (including North Carolina, Florida, Bermuda, the Gulf of Mexico, and Caribbean), the Pacific (such as Hawaii and Japan), and the Indian Ocean, though it is generally more pelagic and less coastal than C. hippurus.^[11]^[15] Neither species occurs in polar regions or cold temperate waters below approximately 20°C, limiting their range to warmer oceanic environments.^[11]^[2] Migration patterns in Coryphaena involve seasonal movements that track warm ocean currents, such as northward migrations along the Gulf Stream in the Atlantic during spring and summer.^[11]^[20] C. hippurus has established populations in the Mediterranean Sea, exhibiting a distinct genetic structure and supporting local fisheries.^[22] Recent research (as of 2024) suggests that warming oceans may drive poleward expansions in the distribution of C. hippurus.^[23]

Ecological preferences

Species of the genus Coryphaena, including C. hippurus and C. equisetis, are epipelagic fish that primarily occupy the upper water column in tropical and subtropical oceans, typically from the surface to 50 m depth, though occasional dives to 160–255 m have been recorded. They exhibit a strong surface orientation, with over 95% of their time spent in the top 10 m, where they aggregate in the mixed layer influenced by temperature stratification.^[24]^[25] These species thrive in warm waters with temperatures ranging from 21–30°C for C. hippurus and 22–29°C for C. equisetis, with optimal conditions between 24–28°C and avoidance of areas below 18–20°C, as catch rates decline sharply in cooler regimes. Salinity preferences align with oceanic conditions of 30–37 ppt, though larvae of C. hippurus show a strong association with salinities exceeding 33 ppt, and both species tolerate slight variations but favor stable, high-salinity environments typical of open seas.^[24]^[25]^[14] As oceanic, non-reef-associated pelagics, Coryphaena species do not rely on benthic substrates but form schools around floating objects such as Sargassum mats, debris, and fish aggregating devices (FADs), which provide shelter, foraging opportunities, and structural habitat in otherwise featureless open water. Juveniles, in particular, exhibit a pronounced affinity for these flotsam associations, with up to 73% of catches linked to Sargassum in some regions.^[24]^[26]^[14]

Behavior and ecology

Locomotion and schooling

Coryphaena species, particularly C. hippurus, are highly agile pelagic fish renowned for their rapid locomotion, achieved through a carangiform swimming style involving undulating body movements and powerful caudal fin thrusts. Physiological analyses based on muscle contraction times and stride lengths estimate maximum burst speeds of approximately 4.0 m/s (about 7.8 knots or 14.4 km/h) for adults, highlighting their capability for quick maneuvers in open water.^[27] Sustained cruising speeds are lower, around 0.5–1 m/s.^[28] Although anecdotal reports from fisheries suggest much higher burst speeds up to 50 knots (93 km/h), these are likely overestimated and unverified by direct measurements, as physiological evidence indicates lower maxima for such predators.^[27]^[29] Schooling behavior in Coryphaena is a key adaptive strategy, forming large, loose aggregations that can number in the hundreds to thousands of individuals, often associated with floating debris or flotsam for orientation and refuge. These schools exhibit segregation by size and sex, with juveniles and smaller females tending to form tighter groups for protection, while larger males and adults maintain more dispersed formations within the school; such partitioning reduces intra-specific competition and enhances anti-predator vigilance through the dilution effect and confusion tactics. Schooling also boosts foraging efficiency by allowing coordinated detection and exploitation of prey patches, though the exact dynamics vary with environmental cues like water temperature and current flows.^[11]^[12]^[30] Daily activity patterns in Coryphaena are predominantly diurnal, with peak swimming and schooling cohesion occurring during daylight hours when visual cues facilitate coordinated movement and predator avoidance. At night, schools often disperse near the surface, shifting to more solitary or loosely grouped behaviors with increased vertical movements into deeper waters (up to 85 m), potentially to reduce visibility to nocturnal predators or access different prey layers; this diel rhythm aligns with their reliance on vision for navigation and social interactions.^[31]^[32]^[12]

Diet and feeding

Coryphaena species are carnivorous predators with a diet dominated by small pelagic fishes, which account for approximately 50-60% of their food intake by weight, including flyingfishes (Exocoetidae), sardines, and mackerels, alongside cephalopods such as squid, crustaceans like crabs and shrimp, and smaller proportions of zooplankton.^[33]^[11] In C. hippurus, flyingfishes and epipelagic cephalopods each comprise about 30% of the diet by weight, with additional contributions from tetraodontiform and gempylid fishes.^[33] The diet of C. equisetis is similarly composed, featuring bony fishes as the primary prey for adults, particularly flyingfishes, supplemented by crustaceans and occasional Sargassum-associated items.^[11] These fish employ active hunting strategies, relying on high swimming speeds and keen vision to pursue prey in open water, often opportunistically foraging around floating debris lines and Sargassum mats where prey items concentrate.^[11]^[31] Schooling behavior facilitates group foraging by enabling coordinated chases of evasive prey.^[31] Ontogenetic shifts occur in prey selection, with juveniles and larvae consuming more planktonic organisms and crustaceans such as copepods, while adults target larger fishes and cephalopods.^[11] Daily food rations can reach up to 20% of body weight, particularly in smaller individuals, reflecting their high metabolic demands and voracious feeding habits.^[33]

Life cycle

Reproduction and spawning

Coryphaena species, including the common dolphinfish (C. hippurus) and pompano dolphinfish (C. equisetis), reach sexual maturity rapidly, typically at 4-5 months of age and around 20 cm in fork length, with males maturing slightly later than females at sizes up to 30 cm; data are primarily from C. hippurus, but C. equisetis shows similar patterns.^[4]^[34]^[35] This early maturation supports their fast life history in pelagic environments. Sexual dimorphism influences maturity, as larger male foreheads develop post-maturity, aiding in competitive interactions.^[36] These fish are pelagic broadcast spawners, with external fertilization occurring in open water. Females release batches of 80,000 to 1,000,000 eggs per spawning event, with relative fecundity averaging 120 eggs per gram of body weight (C. hippurus data).^[37]^[3] Spawning is highly iterative; in tropical waters above 28°C, it occurs year-round, while in temperate regions it peaks during warm seasons from spring to fall. Individual females spawn every 2-3 days at peak activity, potentially 2-3 times per month, with batch intervals as short as 2 days (C. hippurus).^[38]^[39] C. equisetis exhibits comparable spawning behavior in pairs starting at ~20 cm.^[35] Mating is promiscuous, with no pair bonding; large males defend temporary territories or harems of females during spawning aggregations. Courtship involves dynamic displays, including rapid color changes from blue-green to yellow or spotted patterns and acrobatic leaps out of the water to attract mates and deter rivals.^[40]^[4] Eggs are pelagic and buoyant due to a single oil globule, measuring 1.2-1.6 mm in diameter, and hatch in 2-3 days at temperatures of 26-28°C (C. hippurus). Larvae remain planktonic for 20-40 days, undergoing rapid development before settlement, but face extremely high mortality rates of approximately 99% from predation, starvation, and environmental factors, typical for pelagic marine fish larvae.^[34]^[11]^[3]

Growth and lifespan

Coryphaena hippurus displays one of the fastest growth rates among marine fishes, enabling juveniles to reach lengths of approximately 50 cm and attain sexual maturity within their first year of life. This rapid early development is characteristic of the species' r-selected life history strategy, allowing quick recruitment into reproductive populations. Annual length increments average 70–100 cm during the first year, primarily in fork length (FL), before decelerating in subsequent years as the fish approach asymptotic size.^[11]^[20] By the end of the first year, C. hippurus typically measures 70–100 cm FL, with males often growing slightly faster than females in some populations. Growth continues at a reduced rate, reaching maximum sizes of 120–140 cm FL by years 3–4, after which increments become negligible, though larger individuals up to ~190 cm FL have been recorded. The von Bertalanffy growth model, commonly used to describe this trajectory in wild populations, yields parameters for females of L∞ ≈ 120–130 cm FL and k ≈ 1.0 year⁻¹, indicating swift approach to maximum length (parameters vary by population and method).^[11]^[41]^[42] In the wild, the lifespan of C. hippurus ranges from 3 to 5 years, with few individuals surviving beyond 5 years due to high natural mortality rates from predation and environmental factors. C. equisetis shows similar rapid growth but attains smaller maximum sizes (~100 cm FL) and lifespan of 3-4 years.^[25]^[20]^[11]^[15]^[43] This brevity is offset by the species' explosive growth and high fecundity, promoting population resilience in dynamic oceanic environments.

Human interactions

Fisheries and commercial importance

Coryphaena species, particularly C. hippurus, are major targets in tropical and subtropical fisheries worldwide, with global capture production averaging approximately 105,754 metric tons annually from 2010 to 2019.^[44] Peru and Ecuador dominate production, accounting for over 56% of the total catch in this period, primarily through artisanal longline fisheries in the southeastern Pacific.^[44] In the western central Atlantic, including the Caribbean, commercial landings averaged around 4,393 metric tons per year from 1996 to 2018, with Venezuela as a leading nation.^[45] Significant fisheries also operate in Hawaii via longline vessels and in West Africa using similar methods, contributing to regional catches.^[46] Common fishing techniques include trolling with lures or bait, pelagic longlines, and purse seines, often targeting surface schools associated with floating debris.^[20] Sport fishing for Coryphaena is highly popular due to the species' acrobatic leaps and aggressive strikes, making it a prized game fish in regions like the Caribbean, Hawaii, and the U.S. Atlantic coast.^[20] Recreational catches, such as the 7,448 metric tons reported in the U.S. Atlantic in 2016, often emphasize catch-and-release practices to sustain populations, with bag limits in place in areas like Florida.^[45] This activity drives substantial economic value through tourism; for instance, charter fishing in Hawaii generates millions in annual revenue, supporting local jobs and coastal economies.^[47] In culinary applications, Coryphaena provides mild-flavored, firm white meat that is versatile for grilling, broiling, or raw preparations like sashimi, and is widely marketed under the name "mahi-mahi" to distinguish it from marine mammals.^[20] The fish is commonly exported frozen from major producers like Peru, with over 70% of Peruvian mahi-mahi shipments destined for the United States market.^[48] However, improper handling can lead to scombroid poisoning from histamine buildup, a risk highlighted in outbreaks involving mahi-mahi, necessitating rapid chilling below 4°C post-harvest.^[49]

Conservation status

Both species of the genus Coryphaena, C. hippurus (common dolphinfish) and C. equisetis (pompano dolphinfish), are classified as Least Concern on the IUCN Red List, with assessments conducted in 2010 and no category changes recorded in updates through 2025.^[2]^[21] This status reflects their overall resilience to exploitation, attributed to rapid growth rates and high fecundity, which enable quick population recovery.^[50] Primary threats include localized overfishing, particularly in regions like the eastern Atlantic where unregulated artisanal and small-scale fisheries have led to increased pressure on stocks.^[51] Bycatch in industrial tuna longline fisheries also poses a risk, as dolphinfish are frequently captured incidentally in operations targeting tunas and swordfish, though release practices vary by region.^[52] Climate change further impacts their distribution by altering warm-water habitats through ocean warming and shifts in prey availability, potentially expanding ranges poleward but disrupting seasonal migrations in equatorial zones.^[53] Unlike many coastal species, Coryphaena face no significant habitat loss, given their open-ocean pelagic lifestyle. Conservation management is coordinated through Regional Fishery Management Organizations (RFMOs), such as the International Commission for the Conservation of Atlantic Tunas (ICCAT) in the Atlantic, which oversees monitoring and recommends measures to prevent overexploitation, though specific quotas for dolphinfish remain limited.^[54] Some fisheries achieve sustainable ratings, pursuing Marine Stewardship Council (MSC) certification through the Improvement Program for the Ecuadorian longline fishery targeting C. hippurus, emphasizing reduced bycatch and stock monitoring.^[55] Ongoing stock assessments, including those by RFMOs and national agencies, indicate stable populations with no evidence of overfishing across major fishing grounds as of 2024; the Inter-American Tropical Tuna Commission (IATTC) adopted a resolution for a stock assessment in 2026.^[56]^[44]

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Forty-two sets of VBGE parameters available from the literature are listed in Table 1. The size of fish is in fork length, measured to 1 cm (both rounding up ...
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https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2021.626082/full
[39]
[PDF] Merten-et-al.-2022-WCA-International-Dolphinfish-Fisheries.pdf
The aim of this work is to provide a comprehensive update on the condition of international dolphinfish (Coryphaena hippurus) fisheries, catch and effort trends ...Missing: 2020s | Show results with:2020s
[40]
Mahimahi - Hawaii-Seafood.org
FISHING METHOD. All Hawaii mahimahi are line-caught. Longline boats harvest most of the mahimahi catch in Hawaii. However, mahimahi are also caught by ...
[41]
Charter fishing in Hawaii: A multi-region analysis of the economic ...
While the commercial fishing sector in Hawaii claims a very large portion of fishery-related economic activity, less is known about the economic contributions ...
[42]
Peru Mahi - WWF Seafood Sustainability
Peru is the leading mahi mahi producer worldwide, with over 70% of its exports going to the United States. Critical issues challenging this fishery include the ...
[43]
Scombrotoxin Poisoning and Decomposition - FDA
Oct 30, 2017 · Scombroid poisoning is a type of food intoxication caused by the consumption of scombroid and scombroid-like marine fish species that have begun to spoil.
[44]
[PDF] Dolphinfish - Seafood Watch
Dec 6, 2021 · Coryphaena hippurus is one of two species in the family ... The IUCN does not consider there to be any major threats to mahi mahi from commercial ...
[45]
[PDF] Movement dynamics of dolphinfish (Coryphaena hippurus) in the ...
Dispersal rates were then compared between the tropical Atlantic and the Caribbean Sea because of the differences in bathymetry, connection with the Atlantic, ...Missing: nocturnal | Show results with:nocturnal
[46]
[PDF] Dolphinfish Peru/Southeast Pacific Drifting longlines - Seafood Watch
Sep 7, 2020 · Dolphinfish caught in the Peruvian drifting longline fishery have been rated red (avoid) due to bycatch of vulnerable threatened and endangered ...
[47]
Projected effects of ocean warming on an iconic pelagic fish and its ...
Apr 22, 2021 · This study highlights how the environmental effects of climate change can alter the distribution of species length at catch.
[48]
[PDF] Spatiotemporal dynamics of dolphinfish (Coryphaena hippurus) in ...
Apr 3, 2024 · The dolphinfish (Coryphaena hippu- rus) is a mid- level trophic predator and migratory, cosmopolitan species of pelagic fish that is found ...<|control11|><|separator|>
[49]
Ecuador Mahi mahi (Coryphaena hippurus) longline fishery
Ecuador Mahi mahi (Coryphaena hippurus) longline fishery ... Fisheries are composed of one or more parts, each of which is entitled to receive an MSC certificate.
[50]
Taking a More Adaptable Approach to Dolphin Management
Apr 9, 2024 · ... (Coryphaena hippurus) are a favorite target of offshore fishermen. ... The stock is not classified as overfished nor undergoing overfishing.