Species: Acanthemblemaria castroi, Galapagos barnacle-blenny

top head - ridges
iris: red

Acanthemblemaria castroi Stephens & Hobson in Stephens, Hobson & Johnson, 1966
Galapagos barnacle-blenny
Body elongate; short blunt head; head spines well developed only on snout and on ring of bones bordering eye; top of head behind eyes with rough ridges, but weak spines sometimes present; cirri on nostrils, over eyes (1 pair, unbranched or branched), but not on nape; 2 rows of well-developed teeth on side of roof of mouth; dorsal XXIII-XXV, 12-14; anal II, 24-26; pectoral 13 (13-14).
Head grey brown above; cirri yellowish; throat and chin with yellow spots; iris red; body reddish brown with about 10 white spots (decreasing in size posteriorly) along middle of side; a second row of somewhat diamond-shaped pale marks along base of dorsal fin; head and body with numerous blue dots.
Size: grows to 6 cm.
Habitat: dwells in empty barnacle shells on rocky reefs.
In 1-25 m depth; they are seldom seen in the open.
Galápagos Islands.

High Resolution Map Download
- Salinity
-
- Marine
- Marine Only
- Inshore/Offshore
-
- Inshore
- Inshore Only
- Water Column Position
-
- Bottom
- Bottom only
- Habitat
-
- Rocks
- Reef (rock/coral/oyster)
- Reef associated (reef + edges-water column & soft bottom)
- Reef only
- Barnacles & worm tubes
- FishBase Habitat
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- Reef Associated
- Feeding Group
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- No Data
- Planktivore
- Carnivore
- Diet
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- Pelagic fish eggs
- Zooplankton
- No Data
- Mobile benthic crustacea (shrimps/crabs)
- Egg Type
-
- No data
- Benthic
- Pelagic larva
- Global Endemism
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- Tropical Eastern Pacific (TEP) endemic
- East Pacific endemic
- All species
- Regional Endemism
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- Galapagos Islands endemic
- All species
- TEP oceanic island (s) endemic
- Island (s)
- Island (s) only
- TEP endemic
- Residency
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- Resident
- Climate Zone
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- Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
- IUCN Red List
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- Listed
- Vulnerable
- CITES
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- Not listed
- Length Max
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- 6
- Depth Range Min
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- 1
- Depth Range Max
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- 25