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Opistognathus scops (Jenkins and Evermann, 1889)
BULLSEYE JAWFISH
Happy jawfish

Life   Vertebrata   Fish   Opistognathidae   Opistognathus

Opistognathus scops
© Copyright Ross Robertson, 2006 · 12
Opistognathus scops

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Opistognathus scops
© Copyright Photographer/SFTEP, 2002 · 0
Opistognathus scops
Opistognathus scops
© Copyright Photographer/SFTEP, 2002 · 0
Opistognathus scops
español

Overview
Main identification features
  • 3-4 dark stripes + elongate white blotches
  • front d: large black and white ocellus
Dorsal rays X,16-17; anal rays III,15-17; pectoral rays 20; gill rakers on first arch 34-36; 2 teeth at front of roof of mouth; a simple, unbranched cirrus over front nostril; body with 132-145 oblique scale rows; top jaw bone extending beyond eye, with long extension in male; no broad flap below operculum; lips without inner papillae.

Generally brownish with 3-4 longitudinal dark stripes on side and scattered elongate white blotches and spots giving appearance of broken wavy stripes; a prominent ocellus at front of dorsal fin; obvious color inside mouth.

Size: reaches at least 12 cm.

Inhabits sand-rubble bottoms.

Depth: 3-20 m?.

Gulf of California to Panama, and the Galapagos.


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); North Temperate (Californian Province &/or Northern Gulf of California).
Depth Range Max: 20 m.
Depth Range Min: 3 m.
Diet: bony fishes; mobile benthic crustacea (shrimps/crabs); mobile benthic gastropods/bivalves.
Eastern Pacific Range: Northern limit=31; Southern limit=-2; Western limit=-115; Eastern limit=-78; Latitudinal range=33; Longitudinal range=37.
Egg Type: Brooded; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Reef associated (reef + edges-water column & soft bottom); Sand & gravel; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Soft bottom only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 12 cm.
Regional Endemism: Island (s); Continent; Continent + Island (s); TEP endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • Bussing, W.A and Lavenberg, R.J., 2003., Four new species of eastern tropical Pacific jawfishes (Opistognathus: Opistognathidae)., Rev. Biol. Trop., 51:529-550.
  • 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 versión 1.0. Projecto de la Macrofauna del Golfo .  Derechos reservados de los autores y Conservación Internacional.
  • Fowler, H.W., 1944., Results of the Fifth George Vanderbilt Expedition (1941) (Bahamas, Caribbean sea, Panama, Galapagos Archipelago and Mexican Pacific Islands). The Fishes., Acad. Nat. Sci. Philadel., Monographs, 6:57-529.
  • Jenkins , O.P. and Evermann, B.W., 1889., Description of eighteen new species of fishes from the Gulf of California., Proc. U.S. Nat. Mus., 11:137-158.
  • Lopez , M. I. and Bussing, W. A., 1982., Lista provisional de los peces marinos de la Costa Rica., Revista de Biologia Tropical, 30(1):5-26.
  • Meek , S.E. and Hildebrand, S.F., 1928., The marine fishes of Panama. Part III., Field Mus. Nat. Hist., Zool. Ser. Publ., XV:709-1045.
  • Rubio, E.A., 1988., Estudio taxonomico de la ictiofauna acompañante del camaron en areas costeras del Pacifico de Colombia., Memorias del VI Seminario Nacional de las Ciencias del Mar. Comisión Colombiana de Oceanografía. Bogota, Colombia., :169-183.
  • Thomson , D.A. , Findley , L.T. and Kerstitch, A.N., 2000., Reef fishes of the Sea of Cortez., University of Texas Press(Revised Ed.):353.
  • Van der Heiden , A. M. and Findley, L. T., 1988., Lista de los peces marinos del sur de Sinaloa, México., Anales del Centro de Ciencias del Mar y Limnologia de la Universidad Autonoma Nacional de Mexico, 15:209-224.
  • Villareal-Cavazos, A., Reyes-Bonilla, H., Bermúdez-Almada, B. and Arizpe-Covarrubias, O., 2000., Los peces del arrecife de Cabo Pulmo, Golfo de California, México: Lista sistemática y aspectos de abundancia y biogeografía., Rev. Biol. Trop., 48:413-424.

Acknowledgements

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


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