Gymnothorax margaritophorus, Blotch-necked moray

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Gymnothorax margaritophorus Bleeker, 1864

Blotch-necked moray
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Gymnothorax margaritophorus   AquaMaps   Data sources: GBIF OBIS
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Image of Gymnothorax margaritophorus (Blotch-necked moray)
Gymnothorax margaritophorus
Picture by Randall, J.E.

Classification / Names Nomi Comuni | Sinonimi | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterigi (pesci con pinne raggiate) > Anguilliformes (Eels and morays) > Muraenidae (Moray eels) > Muraeninae
Etymology: Gymnothorax: Greek, gymnos = naked + Greek, thorax, -akos = breast (Ref. 45335).  More on author: Bleeker.

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

; marino associati a barriera corallina; distribuzione batimetrica 8 - 25 m (Ref. 30874).   Tropical; 30°N - 24°S

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

Indo-Pacific: East Africa to the Line and Society islands, north to the Ryukyu Islands, south to the southern Great Barrier Reef.

Size / Peso / Age

Maturity: Lm ?  range ? - ? cm
Max length : 70.0 cm TL maschio/sesso non determinato; (Ref. 1602)

Short description Morfologia | Morfometria

Spine dorsali (totale): 0; Raggi dorsali molli (totale): 0; Spine anali 0; Raggi anali molli: 0; Vertebre: 126 - 143. Color yellowish, mottled and irregularly barred with brown shading to whitish ventrally on head and abdomen. Further characterized by body depth at gill opening 18-23 in TL; origin of dorsal fin slightly closer to gill opening than corner of mouth; anus anterior to middle of body; front of upper jaw with three rows of teeth with 3-4 canines on outer row on each side, small teeth in between; two large canines of middle row; side of upper jaw with outer row of small teeth; about four large teeth in inner row; row of small teeth on each side of lower jaw; front of jaw with two pairs of small canines (Ref. 90102).

Biologia     Glossario (es. epibenthic)

Occurs at reef flats and outer reef slopes to a depth of at least 20 m. Feeds on fishes, cephalopodes and crustaceans (Ref. 89972). Unlikely to be encountered without the use of ichthyocide (Ref. 1602, 37816, 58302). Benthic (Ref. 58302). Possibly a protogynous hermaphrodite (Ref. 32169). Common, but highly cryptic and seldom seen (Ref 90102).

Life cycle and mating behavior Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve

Protogyny unconfirmed (Ref. 84746).

Main reference Upload your references | Bibliografia | Coordinatore | Collaboratori

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 Red List Status (Ref. 120744)

  Least Concern (LC) ; Date assessed: 17 August 2011

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

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Informazioni ulteriori

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Ecosystems
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Estimates based on models

Preferred temperature (Ref. 115969): 25.2 - 29.3, mean 28.4 (based on 2518 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00095 (0.00047 - 0.00196), b=3.09 (2.92 - 3.26), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.6   ±0.7 se; Based on diet studies.
Resilienza (Ref. 120179):  Basso, tempo minimo di raddoppiamento della popolazione 4.5 - 14 anni (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Moderate to high vulnerability (54 of 100) .