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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
espa˝ol

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
  • BÚarez, 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., BÚarez, 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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Following modified from FishBase
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https://www.fishbase.se/Summary/speciesSummary.php?genusname=Acanthemblemaria&speciesname=hancocki ---> https://www.fishbase.se/summary/Acanthemblemaria-hancocki.html

Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Acanthemblemaria hancocki Myers & Reid , 1936

Hancock's blenny Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Acanthemblemaria hancocki   AquaMaps   Data sources: GBIF OBIS
Upload your photos  and  videos
Pictures | Google image Image of Acanthemblemaria hancocki (Hancock\ Acanthemblemaria hancocki
Picture by Robertson, R.

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

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Chaenopsidae (Pike-, tube- and flagblennies)
Etymology: Acanthemblemaria: Greek, akantha = thorn + Greek, emblema, -atos, anything that is nailed, knocked in; also anything with bass or high relief (Ref. 45335 ) .  More on authors: Myers & Reid .

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

Marine; reef-associated; depth range 1 - 5 m (Ref. 11482 ).   Tropical; 24°N - 5°N, 113°W - 76°W (Ref. 56269 )

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

Eastern Central Pacific: Costa Rica and Panama.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 4.5 cm TL male/unsexed; (Ref. 11482 )

Biology     Glossary (e.g. epibenthic)

Inhabits empty worm and tube mollusk tubes on rocky reefs. Feeds on zooplankton.

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

Main reference Upload your references | References | Coordinator : Williams, Jeffrey T. | Collaborators

Allen, G.R. and D.R. Robertson , 1994. Fishes of the tropical eastern Pacific. University of Hawaii Press, Honolulu. 332 p. (Ref. 11482 )

IUCN Red List Status (Ref. 120744 )

  Least Concern (LC)  ; Date assessed: 25 May 2007

CITES (Ref. 115941 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search ) | FishSource |

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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes ( gen. , sp. ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank( genome , nucleotide ) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Tree of Life | Wikipedia( Go , Search ) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969 ): 26.9 - 29.1, mean 28.2 (based on 113 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00457 (0.00179 - 0.01169), b=3.08 (2.86 - 3.30), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  3.4   ±0.45 se; Based on food items. Resilience (Ref. 69278 ):  High, minimum population doubling time less than 15 months (). Vulnerability (Ref. 59153 ):  Low vulnerability (10 of 100) .

Entered by Garilao, Cristina V. Modified by Reyes, Rodolfo B. Fish Forum
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