Shorefishes of the Greater Caribbean online information system

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Species: Stathmonotus gymnodermis, Naked blenny

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cirri: nostril, eye (flap), nape & corner of preoperculum
pectoral large, 8-9
no scales

Stathmonotus gymnodermis Springer, 1955

Naked blenny

Elongate, worm-like body; short, bluntly pointed head with large oblique mouth; cirri on nostrils, over eye (flap-like), on nape, and on lower corner of preoperculum; teeth on front of roof of mouth; rear edge of preopercle covered with skin; dorsal fin composed entirely of spines, XLI-XLVI; anal fin II, 21-26; dorsal and anal fins at most slightly joined to tail fin; pectoral fin well developed, 8-9 rays; pelvics I (internal), 2-3, inserted before pectoral base; all fin rays unbranched; no scales; no lateral line.

Red-brown to green to dark grey; sometimes mottled with dark blotches, or with dark or white spots; typically a pale bar angled down and back from eye.

Reaches 4 cm.

Lives in hard substrata on exposed shorelines.

Depth range: 1-5 m.

The Bahamas to the S Caribbean.


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Salinity
  • Marine
  • Marine Only
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
Habitat
  • Rocks
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef (rock/coral/oyster)
  • Reef only
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • No Data
Diet
  • Mobile benthic worms
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic gastropods/bivalves
Egg Type
  • Pelagic larva
  • No data
  • Benthic
Global Endemism
  • West Atlantic Endemic
  • Greater Caribbean endemic
Regional Endemism
  • Continent + Island (s)
  • GC endemic
  • Continent
  • Island (s)
Residency
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Tropical (10-23N, Nicaragua / Cuba)
  • Equatorial (0-10N, Costa Rica / Venezuela)
IUCN Red List
  • Least concern
  • Listed
CITES
  • Not listed
Length Max
  • 4
Depth Range Min
  • 1
Depth Range Max
  • 5