Shorefishes of the Eastern Pacific online information system

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Species: Acanthemblemaria hancocki, Hancock's barnacle-blenny, Panamic barnacle-blenny

All Families:   All Genera:   All Species:

forehead spines few, short
eye cirrus simple
dark blotch behind eye
iris, lips & chin red
D: front red

Acanthemblemaria hancocki Myers & Reid, 1936

Panamic Barnacle-blenny, Hancock'S Barnacle-blenny

Body elongate; short blunt head; head spines short, in a single triangular patch on frontals; cirri on nostrils, over eyes (1 pair, with or without 1 branch), but not on nape; 2 rows of well-developed teeth on side of roof of mouth; dorsal XXIII-XXIV, 12-14; anal II, 23-25; pectoral 12-13.

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 of dorsal red, sometimes a black spot at front of dorsal.

Size: to 4.5 cm.

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

Depth: 0-5 m.

El Salvador to Ecuador.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom only
  • Bottom
  • Reef only
  • Reef (rock/coral/oyster)
  • Rocks
  • Reef associated (reef + edges-water column & soft bottom)
  • Barnacles & worm tubes
FishBase Habitat
  • Reef Associated
Feeding Group
  • No Data
  • Planktivore
  • Carnivore
  • Pelagic fish eggs
  • Data
  • Zooplankton
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Pelagic larva
  • Benthic
  • Data
Global Endemism
  • East Pacific endemic
  • All species
  • Tropical Eastern Pacific (TEP) endemic
Regional Endemism
  • Panamic province endemic
  • Continent
  • Continent only
  • Continental TEP endemic
  • All species
  • TEP endemic
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Listed
  • Least concern
  • Not listed
Length Max
  • 4.5
Depth Range Min
  • 0
Depth Range Max
  • 5