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Gymnothorax eurygnathos B÷hlke, 2001
WIDE-MOUTH MORAY
Life   Vertebrata   Fish   Muraenidae   Gymnothorax

Gymnothorax eurygnathos
© Copyright Ross Robertson, 2006 · 12
Gymnothorax eurygnathos

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Overview
Main identification features
  • head large, wide
  • dark + pale lichen-like blotches
  • tail ~42 percent total length
  • jaws short, wide
Body stout, cylindrical; head large and broad (~14% of total length); snout short; jaws short and wide; teeth short, stout, triangular, serrated on both sides, partly in two rows on jaws; thorax swollen; origin of dorsal fin about over large gill opening; tail short (~42 % of total length).

Color: dark brown with pale brown to yellowish lichen-like blotches dispersed over body and dorsal and anal fins, smaller blotches densely covering entire head; tip of tail yellowish.

Reaches: 47 cm.

Habitat: soft bottoms.

Depth: 30-400 m.

Eastern Gulf of California to El Salvador.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Northern Subtropical (Cortez Province + Sinaloan Gap); Northern Tropical (Mexican Province to Nicaragua + Revillagigedos); Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 400 m.
Depth Range Min: 30 m.
Diet: mobile benthic crustacea (shrimps/crabs); octopus/squid/cuttlefish; bony fishes.
Eastern Pacific Range: Northern limit=28; Southern limit=14; Western limit=-111; Eastern limit=-90; Latitudinal range=14; Longitudinal range=21.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Mud; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Soft bottom only; Sand & gravel.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 47 cm.
Regional Endemism: Continent only; Continent; TEP endemic; Continental TEP endemic; Cortez + Mexican provinces endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • B÷hlke, E. B., 2001., Gymnothorax eurygnathos, a new moray from the Gulf of California (Anguilliformes: Muraenidae)., Revista de Biologia Tropical, 49(Supplement 1):1-5.
  • Findley, L.T., Hendrickx, M.E., Brusca, R.C., van der Heiden, A.M., Hastings, P.A., Torre, J., 2003., Diversidad de la Macrofauna Marina del Golfo de California, Mexico., CD-ROM versiˇn 1.0. Projecto de la Macrofauna del Golfo .á Derechos reservados de los autores y Conservaciˇn Internacional.
  • Guichenot, A., 1848., Fauna Chilena. Peces. Pp. 137-370. In: C. Gay, Historia fisica y politica de Chile. Vol. 2, Zoologia. Paris & Santiago., Fauna Chilena, Peces,.

Acknowledgements

I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.


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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Gymnothorax eurygnathos B├Âhlke , 2001

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Pictures | Google image Image of Gymnothorax eurygnathos Gymnothorax eurygnathos
Picture by Robertson, R.

Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Anguilliformes (Eels and morays) > Muraenidae (Moray eels) > Muraeninae
Etymology: Gymnothorax: Greek, gymnos = naked + Greek, thorax, -akos = breast (Ref. 45335 ) ;   eurygnathos: Name from the Greek 'eury' for wide and 'gnathos' for jaw, referring to the wide jaws; noun in apposition.

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

Marine; bathydemersal; depth range ? - 406 m (Ref. 87288 ).   Deep-water

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Eastern Central Pacific: Gulf of California, Mexico.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 46.9 cm TL male/unsexed; (Ref. 87288 )

Biology     Glossary (e.g. epibenthic)

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

B├Âhlke, E.B. , 2001. Gymnothorax eurygnathos , a new moray from the Gulf of California (Anguilliformes: Muraenidae). Rev. Biol. Trop. 49 Supl. 1:1-5 (Ref. 87288 )

IUCN Red List Status (Ref. 120744 )

  Data deficient (DD)  ; Date assessed: 24 May 2007

CITES (Ref. 115941 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00091 (0.00045 - 0.00186), b=3.11 (2.94 - 3.28), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  3.9   ±0.6 se; Based on size and trophs of closest relatives Resilience (Ref. 69278 ):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.). Vulnerability (Ref. 59153 ):  Moderate to high vulnerability (46 of 100) .

Entered by Garilao, Cristina V. Modified by Capuli, Estelita Emily Fish Forum
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