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Megalops atlanticus  Valenciennes, 1847

Tarpon
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Megalops atlanticus   AquaMaps   Data sources: GBIF OBIS
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Image of Megalops atlanticus (Tarpon)
Megalops atlanticus
Picture by Patzner, R.

Classificatie / Names Populaire namen | Synoniemen | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (Straalvinnigen) > Elopiformes (Tarpons and tenpounders) > Megalopidae (Tarpons)
Etymology: Megalops: Greek, megas, megalos = great + Greek, ops = appearance (Ref. 45335).   More on author: Valenciennes.

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

; marien; zoetwater; brakwater rifbewoner; amfidroom (Ref. 51243); diepteverspreiding 0 - 30 m (Ref. 3789), usually 0 - 15 m (Ref. 42064).   Subtropical; 49°N - 44°S, 99°W - 14°E (Ref. 55254)

Verspreiding Landen | FAO regio's | Ecosystems | Voorkomen | Point map | Introducties | Faunafri

Atlantic Ocean: from Nova Scotia, Bermuda and southward to Brazil in western Atlantic Ocean (Ref. 3234, 4446), where it it also found throughout the Gulf of Mexico and the Caribbean (Ref. 26938); from Mauritania to Angola in eastern Atlantic Ocean (Ref. 2845, 3234, 4446, 81266); with exceptional records in Portugal, Azores and Atlantic coast of southern France (Ref. 3234, 4446). It had crossed the Panama canal and was also caught at Coiba Island in the Pacific Ocean (Ref. 4446).

Length at first maturity / Size / Gewicht / Leeftijd

Maturity: Lm 160.0, range 130 - 128.5 cm
Max length : 250 cm TL mannelijk/geslacht niet bekend; (Ref. 2683); common length : 130 cm TL mannelijk/geslacht niet bekend; (Ref. 2683); Maximaal gepubliceerd gewicht: 161.0 kg (Ref. 26340); Maximaal vermelde leeftijd: 55 jaren (Ref. 9975)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 0; Dorsale zachte stralen (totaal): 13-16; Anale stekels 0; Anale zachte stralen: 22 - 25; Wervels: 53 - 57. Diagnosis: It is characterized by the anterior position of pelvic fin insertions in relation to dorsal-fin origin, and by some morphometric counts: 13-16 dorsal-fin rays, 40-48 lateral-line scales and 53-57 vertebrae (Ref. 2845, 81266).

Biologie     Verklarende woordenlijst (b.v. epibenthic)

Inhabit coastal waters, bays, estuaries, mangrove-lined lagoons, and rivers (Ref. 3789, 27188). Often found in river mouths and bays, entering fresh water (Ref. 27227). Large schools may frequent particular spots for years (Ref. 9710). Feed on fishes like sardines, anchovies, Mugilidae, Centropomus, Cichlidae (mainly those forming schools) and crabs (Ref. 3789, 27188). The swim bladder, attached to the esophagus, can be filled directly with air and permits the fish to live in oxygen-poor waters. Has high fecundity, a 203 cm female is estimated to produce over 12 million eggs (Ref. 10863). Spawn in waters which can be temporarily isolated from the open sea (Ref. 27188). Transparent leptocephalus larvae migrate into estuaries (Ref. 57533). Famous for its spectacular leaps when hooked. Marketed fresh or salted (Ref. 3789). Large scales are used in ornamental work and in preparation of artificial pearls (Ref. 3789). Used to be cultured commercially in Colombia (Ref. 7306). Highly appreciated by sport fishers. The flesh is also highly appreciated despite its being bony (Ref. 27188). The world record for hook and line is 283 lbs. from Lake Maricaibo, Venezuela (Ref. 13442).

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

Some populations may complete life cycle in freshwater, e.g. Lake Nicaragua in Central America, and Deep Lake in Florida (Ref. 4639).

Voornaamste referentie Upload your references | Referenties | Coördinator | Medewerkers

Hureau, J.-C., 1984. Megalopidae. p. 226-227. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the north-eastern Atlantic and Mediterranean. UNESCO, Paris. Vol. 1. (Ref. 3234)

Status op de Rode Lijst van het IUCN (Ref. 115185)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Reports of ciguatera poisoning (Ref. 31172)




Gebruik door de mens

Visserij: commercieel; Aquacultuur: commercieel; vis voor de hengelsport: ja; Aquarium: Publieke aquaria
FAO(Visserij: production; publication : search) | FishSource | Sea Around Us

Meer informatie

Populaire namen
Synoniemen
Metabolisme
Predators
Ecotoxicologie
Voortplanting
Geslachtsrijpheid
Kuitschieten
Fecundity
Eieren
Ontwikkeling van de eieren
Referenties
Aquacultuur
Aquacultuurprofiel
Kweeklijnen
Genetica
Alleelfrequenties
Erfelijkheid
Ziekten
Verwerking
Mass conversion
Medewerkers
Illustraties
Stamps, Coins Misc.
Geluid
Ciguatera
Snelheid
Zwemstijl
Kieuwoppervlak
Otoliths
Hersenen
Zicht

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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 19.6 - 28, mean 27 (based on 1409 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0020   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00794 (0.00460 - 0.01371), b=2.98 (2.82 - 3.14), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic Level (Ref. 69278):  4.5   ±0.0 se; Based on diet studies.
Weerstandsvermogen (Ref. 69278):  laag, minimale populatieverdubbelingstijd 4,5-14 jaar (K=0.07-0.10; tmax=55; Fec>1 million).
Prior r = 0.2, 2 SD range = 0.07 - 0.57, log(r) = -1.61, SD log(r) = 0.54, Based on: 1 M, 2 K, 3 tgen, 1 tmax, 1 Fec records
Kwetsbaarheid (Ref. 59153):  Very high vulnerability (76 of 100) .
Prijsklasse (Ref. 80766):   Medium.