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Species: Hypsoblennius exstochilus, Longhorn blenny

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large bushy cirrus over eye
dark brown bar - eye cirrus to throat
green; head and front body - white mottling

Hypsoblennius exstochilus Bohlke, 1959

Longhorn blenny

Moderately elongate; short robust head, with very steep front profile; a very long cirrus with a thick central stalk covered with rear-pointing branches over eye, no cirri at nostrils or on nape; an elongate fleshy flap at rear end of lower lip; 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 XI-XIII (spines slender and flexible), 13-16, with a slight notch between the spiny and soft parts; pelvic fins I, 3; fin rays unbranched, except on tail fin; lateral line ends under end of spiny dorsal fin;  no scales.

Yellowish; a dark brown bar down through eye to lower body and up along main shaft of eye cirrus; front and sides of head heavily mottled with white; white mottling along upper back and front ~6 spines of dorsal fin, a dark spot centered on 2nd dorsal spine.

Reaches 6.3 cm.

Lives in rocky areas exposed to surge and eroded bottoms with sea fans.

Depth range: 0-7 m.

The Bahamas to the S Caribbean.


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Salinity
  • Marine
  • Marine Only
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
Habitat
  • Reef only
  • Rocks
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef (rock/coral/oyster)
FishBase Habitat
  • Reef Associated
Feeding Group
  • No Data
  • Omnivore
  • Corallivore
Diet
  • Benthic microalgae
  • Mobile benthic worms
  • Mobile benthic crustacea (shrimps/crabs)
  • Soft corals/hydroids
Egg Type
  • Benthic
  • Pelagic larva
  • No data
Global Endemism
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • GC endemic
  • Island (s) only
  • Island (s)
Residency
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
CITES
  • Not listed
Length Max
  • 6.3
Depth Range Min
  • 0
Depth Range Max
  • 7