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Acanthemblemaria hancocki Myers and Reid, 1936
HANCOCKS BLENNY
Panamic barnacle blenny

Life   Vertebrata   Fish   Chaenopsidae   Acanthemblemaria

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

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

Overview
Main identification features
  • dark blotch behind eye
  • d: front red
  • iris, lips and chin red;
Panamic barnacle-blenny, Hancock's barnacle-blenny

Dorsal rays XXIII-XXIV,12-14, total dorsal elements 36-37; anal rays II,23-25; pectoral rays 12-13; head spines short, in a single triangular patch on frontals; a single pair of supraorbital cirri, tip single or with 1 branch.

Generally pale tan, nearly translucent with midlateral row of horizontally elongate dark brown blotches and horizontal row of small dark brown spots above and below midlateral row; iris + lips and chin red; a large dark brown spot on upper part of gill cover; outer edge of front dorsal spine red.

Size: to 4.5 cm.

Inhabits empty barnacles and worm and mollusc tubes on rocky reefs.

Depth: 0-5 m.

El Salvador to Ecuador.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 5 m.
Depth Range Min: 0 m.
Diet: mobile benthic crustacea (shrimps/crabs); zooplankton; pelagic fish eggs.
Eastern Pacific Range: Northern limit=14; Southern limit=-2; Western limit=-89; Eastern limit=-78; Latitudinal range=16; Longitudinal range=11.
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: 4.5 cm.
Regional Endemism: Continent; Continent only; TEP endemic; Continental TEP endemic; Panamic province endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • Béarez, P., 1996., Lista de los Peces Marinos del Ecuador Continental., Revista de Biologia Tropical, 44:731-741.
  • 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.
  • 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.
  • 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.
  • Jimenez-Prado, P., Béarez, P., 2004., Peces marinos del Ecuador continental / Marine fishes of continental Ecuador., SIMBIOE/NAZCA/IFEA tomo 1 y 2.
  • 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.
  • Myers , G.S and Reid,., 1936., Description of a new blennioid fish of the genus Acanthemblemaria from the Pacific coast of Panama., Allan Hancock Pacific Expeditions, 2:7-10.
  • Ricker, K.E., 1959., Fishes collected from the Revillagigedo Islands during the 1954-1958 cruises of the "Marijean."., Univ. Brit. Columbia Inst. Fish., Mus. Contrib., 4:10pp.
  • 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.
  • Walker, B. W. and Baldwin, W. J., 1964., Provisional check list of fishes of the Revillagigedo islands., 18 pp.

Acknowledgements

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


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