Shorefishes of the Greater Caribbean online information system

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Species: Entomacrodus nigricans, Pearl Blenny

All Families:   All Genera:   All Species:

cirri simple: 1-11 over eye, nape 1
green, body - bars + white spots; head - dark spot
D XIII, deep notch
snout rounded, overhanging
top lip - edges wrinkled

Entomacrodus nigricans Gill, 1859

Pearl Blenny

Body very elongate; head short and blunt; snout rounded, overhanging; simple cirrus over front nostril and 1-11 cirri over eye; cirrus on nape, if present, a slender filament; no fleshy crest on head; many movable teeth on each jaw; teeth on front of roof of mouth; lower surface of top lip wrinkled at sides; gill openings broad, forming a fold across throat; dorsal fin with deep notch between spiny and soft parts, XIII spines, but the last one tiny and hard to see, 13-16; anal II, 16 (15-17); fin rays unbranched, except on tail fin; lateral line is a short arch over pectoral; no scales.

Grey green, body with ~5 double dark bars; numerous pearly blue spots on upper half of body; head with small dark spots at rear, thin dark bars on lips.

Reaches 10 cm.

Rocky intertidal areas in surgy habitats.

Depth range: 0-8 m.

Bermuda to the S Caribbean and to Brazil.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Reef only
  • Rocks
  • 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 worms
Egg Type
  • Benthic
  • Data
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean non-endemic
  • West Atlantic Endemic
Regional Endemism
  • Extends South of GC
  • Also in Brazil
  • Continent
  • Continent + Island (s)
  • GC endemic
  • Island (s)
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 10
Depth Range Min
  • 0
Depth Range Max
  • 8