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Species: Acanthemblemaria hastingsi, Cortez barnacle-blenny

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head: short, pointed spines + 2 ridges
body: 2 rows dark blotches + blue dots
front D: black stripe below, orange above
side lower jaw: black

Acanthemblemaria hastingsi Lin & Galland, 2010

Cortez barnacle-blenny

Body elongate; long blunt head; head spines short, pointed, in a diamond shaped patch after and between eyes; forehead with 2 ridges; cirri on front nostrils (branched), over eyes (1 pair, usually unbranched), but not on nape; 2 rows of well-developed teeth on side of roof of mouth; dorsal XXIV (XXIII-XXV), 13 (12-14); anal II, 25 (24-26); pectoral 13.

Head grey, upper part densely covered with pale blue dots, lower head and lower jaw black with white chin, black blotches on cheek, across top of head behind eyes, along rear edge of opercle; iris blackish, with a cream inner ring; body brown or tan with mid-lateral row of large brown spots or blotches and 8 (7-9) dark brown saddle-like markings along base of dorsal fin; dorsal fin with a black stripe along the base of the front spines (first 5-7 spines in males, front 2 spines without this black base in females), rest of fin above that the black stripe orange.

Maximum size, 6 cm.

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

Depth: 1-15 m.

Southern Baja and the lower half of the Gulf of California, to San Ignacio Island, in the southeast part.

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  • Marine
  • Marine Only
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom only
  • Bottom
  • Barnacles & worm tubes
  • Reef (rock/coral/oyster)
  • Reef only
  • Rocks
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • Planktivore
  • No Data
  • Mobile benthic worms
  • No Data
  • Pelagic fish eggs
  • Mobile benthic crustacea (shrimps/crabs)
  • Zooplankton
Egg Type
  • Pelagic larva
  • No data
  • Benthic
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
Regional Endemism
  • Continent
  • TEP endemic
  • Continent only
  • Cortez province endemic
  • Resident
Climate Zone
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 6
Depth Range Min
  • 1
Depth Range Max
  • 15