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Megalops cyprinoides (Broussonet, 1782)

Indo-Pacific tarpon
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Megalops cyprinoides   AquaMaps   Data sources: GBIF OBIS
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Image of Megalops cyprinoides (Indo-Pacific tarpon)
Megalops cyprinoides
Picture by Randall, J.E.

Classification / Names Noms communs | Synonymes | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinoptérygiens (poissons à nageoires rayonnées) > Elopiformes (Tarpons and tenpounders) > Megalopidae (Tarpons)
Etymology: Megalops: Greek, megas, megalos = great + Greek, ops = appearance (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Écologie

; marin; eau douce; saumâtre benthopélagique; amphidrome; profondeur 50 - ? m (Ref. 2847).   Tropical; 34°N - 37°S, 16°E - 130°W

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Indo-Pacific: Persian Gulf (Ref. 68964), Red Sea and Natal, South Africa (Ref. 3969) to the Society Islands, north to southern Korea, south to the Arafura Sea (Ref. 9819) and New South Wales. Restricted to high islands (Palau, Caroline and Mariana islands) in Micronesia. Reported as far inland as the lower Shire in Malawi and the Save-Runde junction in Zimbabwe (Ref. 7248). Widespread in the Lower Zambezi River channels up to Marromeu and in the Micelo River up to Malingapanzi (Ref. 39494). South China Sea, Taiwan Strait, and East China Sea(Ref.33302).

Length at first maturity / Taille / Poids / Âge

Maturity: Lm ?, range 25 - ? cm
Max length : 150 cm TL mâle / non sexé; (Ref. 1479); common length : 30.0 cm SL mâle / non sexé; (Ref. 7017); common length :45.5 cm SL (female); poids max. publié: 18.0 kg (Ref. 13337); âge max. reporté: 44 années (Ref. 72487)

Description synthétique Morphologie | Morphométrie

Épines dorsales (Total): 0; Rayons mous dorsaux (Total): 16-21; Épines anales 0; Rayons mous anaux: 23 - 31. Lower jaw projects beyond snout; a bony gular plate present between the jaw bones; last fin ray of dorsal long and filamentous, directly over pelvic fins; pectoral fins low on side of body near ventral margin; abdominal pelvic fins with 9 or more rays; scales large. The modified swimbladder permits them to breathe air and thus survive in oxygen-poor water. Colour blue-green dorsally; silvery on sides (Ref. 10982). Can tolerate oxygen-poor water by `breathing' air into a lung-like air bladder.

Biologie     Glossaire (ex. epibenthic)

Adults are generally found at sea, but young inhabit river mouths, inner bays, and mangrove forests. In freshwater, they occur in rivers, lagoons, lakes, and swampy backwaters (Ref. 2847, 44894). Tolerate a wide pH range (5.2-9.1) (Ref. 44894) and salinities from 0 to 100. Mainly diurnal (Ref. 7017). Predaceous, feeding mainly on fishes and crustaceans (Ref. 5213). Breed offshore, possibly throughout the year. Larvae are transparent and resemble larval eels (Ref. 13337), but with a forked tail (Ref. 167). Juveniles commonly enter freshwater (Ref. 44894, 48635) in clear or turbid water (Ref. 44894). Known to breath air, rising regularly to the surface to do so. Cultured in ponds, the fry being sourced from the coasts (Ref. 7050). Popular angling fish (Ref. 3969). Edible but not esteemed (Ref. 3969). Caught by gill nets, seines, and trawls, and by hook-and-line; marketed fresh and dried salted (Ref. 10982).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Whitehead, P.J.P., 1984. Megalopidae. In W. Fischer and G. Bianchi (eds.) FAO species identification sheets for fishery purposes. Western Indian Ocean fishing area 51. Vol. 3. [pag. var.]. FAO, Rome. (Ref. 3463)

Statut dans la liste rouge de l'IUCN (Ref. 119314)

  Données manquantes (DD) ; Date assessed: 29 June 2016

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme


Utilisations par l'homme

Pêcheries: intérêt commercial mineur; Aquaculture: commercial; pêche sportive: oui
FAO(pêcheries: production; publication : search) | FishSource | Sea Around Us

Plus d'informations

Noms communs
Rassemblement de ponte
Développement de l'œuf
Fréquences de longueurs
Dynamique des populations larvaires
Profil d'aquaculture
Fréquences alléliques
Mass conversion
Stamps, Coins Misc.
Type de nage
Surface branchiale


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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 19.8 - 27.6, mean 24.4 (based on 501 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0020   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00747 - 0.01402), b=3.04 (2.95 - 3.13), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Niveau trophique (Ref. 69278):  3.5   ±0.1 se; Based on diet studies.
Résilience (Ref. 69278):  Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Assuming tm<=4).
Prior r = 0.57, 95% CL = 0.37 - 0.85, Based on 2 stock assessments.
Vulnérabilité (Ref. 59153):  High to very high vulnerability (67 of 100) .
Catégorie de prix (Ref. 80766):   Low.