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Acanthemblemaria crockeri Beebe and Tee-Van, 1938
BROWNCHEEK BLENNY
Brown-cheek barnacle blenny

Life   Vertebrata   Fish   Chaenopsidae   Acanthemblemaria

Acanthemblemaria crockeri
© Copyright Ross Robertson, 2006 · 12
Acanthemblemaria crockeri

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Acanthemblemaria crockeri
© Copyright Ross Robertson, 2006 · 12
Acanthemblemaria crockeri
Acanthemblemaria crockeri
© Copyright Gerald Allen, 2006 · 0
Acanthemblemaria crockeri

Acanthemblemaria crockeri
© Copyright Gerald Allen, 2006 · 0
Acanthemblemaria crockeri
español

Overview
Main identification features
  • forehead spiny; eye - cirrus long and bushy
  • head and body - white dots
  • opercle: large black and brown ocellus
Brown-cheek barnacle-blenny

Dorsal rays XXIII-XXVII, 12-15, total dorsal elements 38-41; anal rays II, 24-28; pectoral rays 13-14; head spines strongly developed in two triangular patches on frontals separated by deep spineless depression; spines also present in 3 longitudinal rows on each side of central groove between eyes; a single pair of bush-like cirri above eye.

Two color varieties occur that are primarily related to sex: a largely dark brownish male variety with numerous small white spots and lines and a pale (whitish) variety with red to orange blotches and an orange throat region; both varieties have a large black-ringed dark brown mark covering most of gill cover and many small white spots on the head.

Size: attains 6 cm.

Inhabits empty worm and mollusc tubes on rocky reefs.

Depth: 1-60 m.

The Gulf of California, except in the extreme north.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: North Temperate (Californian Province &/or Northern Gulf of California); Northern Subtropical (Cortez Province + Sinaloan Gap).
Depth Range Max: 60 m.
Depth Range Min: 1 m.
Diet: mobile benthic crustacea (shrimps/crabs); zooplankton; pelagic fish eggs.
Eastern Pacific Range: Northern limit=31; Southern limit=24; Western limit=-115; Eastern limit=-110; Latitudinal range=7; Longitudinal range=5.
Egg Type: Benthic; Pelagic larva.
Feeding Group: Carnivore; Planktivore.
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); Rocks; Reef (rock &/or coral); Barnacles & worm tubes; Reef only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 6 cm.
Regional Endemism: Continent; Continent only; TEP endemic; Continental TEP endemic; Cortez province endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • Beebe , W. and Tee-Van, J., 1938., Eastern Pacific expeditions of the New York Zoological Society, XV. Seven new marine fishes from Lower California., Zoologica, 23:299-312.
  • 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 II. Vertebrados - Parte 1., FAO2:647-1200.
  • Galván-Magaña, F., Abitia-Cárdenas, L.A., Rodríguez-Romero, J., Pérez-España, H., Chávez-Ramos, H., 1996., Systematics list of the fishes from Cerralvo island, Baja California Sur, Mexico., Ciencias Marinas, 22:295-311.
  • Galván-Magaña, F., Gutiérrez-Sánchez, F., Abitia-Cárdenas, L.A., Rodríguez-Romero, J., 2000., The distribution and affinities of the shore fishes of the Baja California Sur lagoons. In Aquatic Ecosystems of Mexico: Status and Scope. Eds. M. Manuwar, S.G. Lawrence, I.F. Manuwar & D.F. Malley. Ecovision World Monograph Series., Backhuys Publishers:383-398.
  • Hastings , P.A. and Robertson, D.R., 1999., Acanthemblemaria atrata and Acanthemblemaria mangognatha, New Species of Eastern Pacific Barnacle Blennies (Chaenopsidae) from Isla del Coco, Costa Rica, and Islas Revillagigedo, Mexico, and their Relationships with other Barnacle Blennies., Revue Francaise de Aquariologie, 25:107-118.
  • Hastings, P.A., 2000., Biogeography of the Tropical Eastern Pacific: distribution and phylogeny of chaenopsid fishes., Zoological Journal of the Linnean Society, 128:319-335.
  • Lindquist , D. G. and Kotrschal, K. M., 1987., The diets in four Pacific tub( blennies (Acanthemblemaria: Chaenopsidae): Lack of ecological di. vergence in syntopic species., Marine Ecology, 8:327-335.
  • 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.
  • Rosenblatt , R.H. and McCosker, J.E., 1988., A new species of Acanthemblemaria from Malpelo Island, with a key to the Pacific members of the genus (Pisces: Chaenopsidae)., Proc. Calif. Acad. Sci., 45:103-110.
  • 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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