Shorefishes of the Eastern Pacific online information system

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Species: Acanthemblemaria crockeri, Brown-cheek barnacle-blenny

All Families:   All Genera:   All Species:

forehead very spiny
eye cirrus long & bushy
head & body - white dots & dashes
opercle: large black & brown ocellus

Acanthemblemaria crockeri Beebe & Tee-Van, 1938

Brown-cheek barnacle-blenny

Body elongate; short blunt head; 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; cirri on nostrils, over eyes (1 pair, very bushy); but not on nape; 2 rows of well-developed teeth on side of roof of mouth; dorsal XXIII-XXVII, 12-15; anal II, 24-28; pectoral 13-14.

Both sexes with a large black-ringed dark brown mark covering most of gill cover and many small white spots on the head; front of dorsal fin orangish; male:  dark brownish, with numerous small white spots and lines; female:  pale (whitish), with red to orange blotches along mid-flank, internal white dashes along vertebral column; orange throat region.

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.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom only
  • Bottom
  • Reef only
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef (rock/coral/oyster)
  • Rocks
  • Barnacles & worm tubes
FishBase Habitat
  • Reef Associated
Feeding Group
  • Planktivore
  • Data
  • Carnivore
  • Pelagic fish eggs
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Zooplankton
Egg Type
  • No data
  • Benthic
  • Pelagic larva
Global Endemism
  • East Pacific endemic
  • All species
  • Tropical Eastern Pacific (TEP) endemic
Regional Endemism
  • Continent
  • Continent only
  • TEP endemic
  • All species
  • Cortez province endemic
  • Continental TEP endemic
  • Resident
Climate Zone
  • North Temperate (Californian Province &/or Northern Gulf of California)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Depth Range Max
  • 60
Depth Range Min
  • 1
Length Max
  • 6