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Species: Hypleurochilus geminatus, Crested Blenny

All Families:   All Genera:   All Species:

male nape: pair skin crests
eye cirrus - broad base, small basal branches
grey-brown + orange spots.
preoperculum pores single
pelvic I, 3
A usually 17 segmented rays

Hypleurochilus geminatus (Wood, 1825)

Crested Blenny

Head large, blunt, front profile steep and rounded; males with a large, arched fold of skin on each side of nape; body elongate, compressed; nostril with a long flap bearing 1-3 cirri; a single large cirrus over eye, longer than eye, main shaft rounded, with 3-7 simple branches; mouth opens at front; top margin of top lip free, that margin discontinuous at front; jaw teeth are elongate incisors, with a large curved canine at rear of each jaw; pores on preoperculum single (sometimes in doubles); gill membranes broadly fused on throat, gill opening ends at level of lower base of pectoral fin; dorsal fin XI-XIII, 14-15, with a slight notch between spiny and soft parts, spiny part distinctly lower than soft part; anal fin II, 16-17; pelvics I, 3; pectorals 13-14 rays; fin rays unbranched, except on tail fin; ; lateral line in 2 parts, 1st curved down behind end of pectoral, ends under last dorsal spines, 2nd from mid-flank to above ~middle of anal fin; no scales.

Dark brown with many indistinct small irregular orange spots, and indistinct bars on body; dark spot at front of dorsal fin.

Reaches 10.5 cm.

Lives on oyster reefs and inshore rocks in estuaries.

Depth range: 0-23 m.

New Jersey to Cuba.

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  • Brackish
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Reef only
  • Rocks
  • Estuary
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Data
  • Omnivore
  • Data
  • Benthic microalgae
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic worms
Egg Type
  • Benthic
  • Data
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean non-endemic
  • West Atlantic Endemic
Regional Endemism
  • Continent
  • Continent only
  • Extends North of GC
  • GC non-endemic
  • All species
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Temperate (>35N)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 10.5
Depth Range Min
  • 0
Depth Range Max
  • 23