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Halichoeres melanotis (Gilbert, 1890)
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Halichoeres melanotis
© Copyright Ross Robertson, 2006 · 12
Halichoeres melanotis

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Halichoeres melanotis
© Copyright Gerald Allen, 2006 · 0
Halichoeres melanotis
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Overview
Main identification features
  • operculum - dark blotch
  • brown + irregular bars and stripes
  • juvenile: yellow + black stripes
Dorsal rays IX,12; anal rays III, 12; pectoral rays 12-13; lateral line with 27 pored scales; jaw teeth caniniform; 2 pairs of enlarged curved canines at front of each jaw; rear of upper jaw without enlarged canines.

Adults greenish to reddish brown on upper half, whitish to pink on lower half; sometimes with 5-6 broad bars on upper half; distinguished by prominent black 'ear' spot on upper edge of gill cover and blackish blotch or spot at base of caudal fin; juveniles bright yellow with broad black midlateral stripe and narrower black stripe along base of dorsal fin.

Maximum size to 15 cm.

Habitat: often seen in sand-rubble patches near rocky inshore reefs.

Depth: 5-40 m.

Central Baja to the W and SE Gulf of California to Colombia; 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).
Depth Range Max: 40 m.
Depth Range Min: 5 m.
Diet: mobile benthic gastropods/bivalves; mobile benthic worms; mobile benthic crustacea (shrimps/crabs).
Eastern Pacific Range: Northern limit=29; Southern limit=-2; Western limit=-115; Eastern limit=-78; Latitudinal range=31; Longitudinal range=37.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Reef Associated.
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: 15 cm.
Regional Endemism: Continent; Island (s); TEP endemic; 3 provinces (Cortez + Mexican + Panamic) endemic; Continent + Island (s); 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., 1987., Los peces de la familia Labridae de la Costa Pacífica de Costa Rica., Revista de Biologia Tropical, 33:81-98.
  • 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.
  • Fischer , W. , Krup , F. , Schneider , W. , Sommer , C. , Carpenter , K. E. and Niem, V. H., 1995., Guia FAO para la Identificacion de Especies de para los fines de la Pesca. Pacifico Centro-Oriental. Volumen III. Vertebrados - Parte 2., FAO3:1201-1813.
  • Gilbert, C.H., 1890., A preliminary report on the fishes collected by the steamer "Albatross" on the Pacific coast of North America during the year 1889, with descriptions of twelve new genera and ninety-two new species., Proc. U.S. Nat. Mus., 13:49-126.
  • Jordan , D.S. and Evermann, B.W., 1898., The fishes of North and Middle America: a descriptive catalogue of the species of fish-like vertebrates found in the waters of North America, north of the Isthmus of Panama. Part II., Bull. U.S. Nat. Mus., 47:1241-2183.
  • 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.
  • Love, M.S., Mecklenburg, C.W., Mecklenburg, T.A., Thorsteinson, L.K., 2005., es of the West Coast and Alaska: a checklist of North Pacific and Artic Ocena species from Baja California to the Alaska-Yukon border., U.S. Department of the Interior, U.S. Geological Survey, Biological Resources Division, 288pp.
  • 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.
  • Victor, B. C. and Wellington, G. M., 2000., Endemism and the pelagic larval duration of reef fishes in the eastern Pacific Ocean., Marine Ecology Progress Series, 205:241-248.
  • Victor, B. C., 1986., Durtation of the planktonic larval stage of one hundred species of Pacific and Atlantic wrasses (family Labridae)., Marine Biology, 90:317-326.
  • 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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