Shorefishes of the Eastern Pacific online information system

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Species: Hypsoblennius brevipinnis, Barnaclebill blenny

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eye: 1 branched cirrus
head: dark spots, pale oblique bar behind eye
D: shallow notch
no canines

Hypsoblennius brevipinnis (Günther, 1861)

Barnaclebill blenny

Moderately elongate; short robust head, with very steep front profile; a 4-branched cirrus over eye, no cirri at nostrils or on nape; teeth with blunt flattened tips, in single rows, not movable, no canines on either jaw; gill openings restricted to sides of body by fusion of gill cover membranes to throat; dorsal fin X-XII, 15-16, with a slight notch between the spiny and soft parts; fin rays unbranched, except on tail fin; lateral line ends under end of spiny dorsal fin; no scales.

Upper sides dark brown with a horizontal rows of circular tan patches (often with dark brown centers) just below base of dorsal fin and second row of smaller patches or spots just below; lower sides whitish to yellow; head with small brown spots and a prominent tan oblique band behind eye, with a dark-edged whitish stripe on its upper and lower margin.

Size: grows to 7 cm.

Lives in empty barnacle shells, usually in 1-3 m.

Depth: 1-10 m.

Central Baja and the Central Gulf of California to Peru, including Galapagos, Cocos and Malpelo Islands.

Has been collected in the locks at the Atlantic entrance to the Panama Canal.

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  • Freshwater
  • Brackish
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom only
  • Bottom
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Reef and soft bottom
  • Freshwater
  • Rocks
  • Barnacles & worm tubes
  • Reef associated (reef + edges-water column & soft bottom)
  • Estuary
  • Flotsam
  • Reef (rock/coral/oyster)
FishBase Habitat
  • Reef Associated
Feeding Group
  • No Data
  • Omnivore
  • Sponges/seasquirts/bryozoa
  • Benthic microalgae
  • Mobile benthic worms
  • Sessile crustacea
  • Sessile worms
  • Soft corals/hydroids
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Pelagic larva
  • Benthic
  • Data
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
  • All species
Regional Endemism
  • Island (s)
  • All species
  • TEP endemic
  • Continent + Island (s)
  • Continent
  • Resident
Climate Zone
  • South Temperate (Peruvian Province )
  • North Temperate (Californian Province &/or Northern Gulf of California)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 7
Depth Range Min
  • 1
Depth Range Max
  • 10