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Gymnothorax javanicus  (Bleeker, 1859)

Giant moray
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Image of Gymnothorax javanicus (Giant moray)
Gymnothorax javanicus
Picture by Patzner, R.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (Strahlenflosser) > Anguilliformes (Eels and morays) > Muraenidae (Moray eels) > Muraeninae
Etymology: Gymnothorax: Greek, gymnos = naked + Greek, thorax, -akos = breast (Ref. 45335).

Lebensraum / Klimazone / Range Ökologie

; seewasser riff-verbunden; tiefenbereich 0 - 50 m (Ref. 30573).   Tropical; 30°N - 25°S

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Indo-Pacific: Red Sea and East Africa (Ref. 33390) to the Marquesas and Oeno Atoll (Pitcairn Group), north to the Ryukyu and Hawaiian islands, south to New Caledonia and the Austral Islands.

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 300 cm TL Männchen/unbestimmt; (Ref. 9710); max. veröff. Gewicht: 30.0 kg (Ref. 30404)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 0; Afterflossenstacheln 0; Wirbelzahl: 137 - 143. Juveniles are tan with numerous large black spots. Adults have black specks that grade into leopard-like spots behind the head and a black area surrounding the gill opening.

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Found in lagoon and seaward reefs. Commonly seen species along deep drop-offs and slopes in Indonesian waters (Ref. 48635). Benthic (Ref. 58302). Juveniles more secretive and occur on intertidal reef flats (Ref. 37816). It feeds primarily on fishes and occasionally on crustaceans. This is the largest Indo-Pacific moray eel (Ref. 30404), perhaps reaching 3 m in length. Because of its position at the top of the reef's food chain it is often ciguatoxic. Attacks humans when provoked (Ref. 3132). Minimum depth reported taken from Ref. 10713. Solitary in reef holes (Ref 90102).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Observations on prespawning behavior include a pair entwined around one another lying on the bottom of the reef area (Ref. 93344).

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

Chen, H.-M., K.-T. Shao and C.T. Chen, 1994. A review of the muraenid eels (Family Muraenidae) from Taiwan with descriptions of twelve new records. Zool. Stud. 33(1):44-64. (Ref. 6934)

IUCN Rote Liste Status (Ref. 115185)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Reports of ciguatera poisoning (Ref. 4690)




Nutzung durch Menschen

Fischereien: kleinfischerei; Aquarium: Öffentliche Aquarien
FAO(Publication : search) | FishSource | Sea Around Us

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Ablaichen
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Eier
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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 25.5 - 29, mean 28.1 (based on 902 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic Level (Ref. 69278):  3.9   ±0.64 se; Based on food items.
Widerstandsfähigkeit (Ref. 69278):  hoch, Verdopplung der Population dauert weniger als 15 Monate. (Fec = 200,000-300,000).
Verwundbarkeit (Ref. 59153):  Very high vulnerability (85 of 100) .
Preiskategorie (Ref. 80766):   Medium.