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Species: Derilissus nanus, Dwarf Clingfish

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eyes large
brown above, black on sides
center sucker: cluster 4 at front, then V of 5
pectoral 18-21

Derilissus nanus Briggs, 1969

Dwarf Clingfish

Body slender, only slightly depressed at front; head narrow, snout short, profile angular, with mouth opening at front; eyes large; front nostril an elongate tube, without a flap; rear nostrils slightly tubular; top lip broad at front, narrow on sides; teeth in 1 row on both jaws, with 3-pointed incisors at front of both jaws; 5-7 short, blunt gill rakers; median fins short; 1 dorsal fin, at rear, no spines, 6-7; anal fin 6-7, like dorsal fin and under it; 1st ray hidden on dorsal and anal fins; pectoral rays 18-21; a poorly developed fleshy pad on lower pectoral base; sucker medium sized, papillae small, center with a cluster of 4 papillae, followed by a forward pointing V shaped group of 5 papillae; no scales; lateral line present as pores on head only.

Dark, brown above, black on sides.

Reaches 1.7 cm.

Coral heads.

Depth range: 31-51 m.

The Bahamas.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Reef only
  • Rocks
  • Corals
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic worms
Egg Type
  • Benthic
  • Data
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Bahamas endemic
  • GC endemic
  • Island (s)
  • Island (s) only
  • All species
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Data deficient
  • Listed
  • Not listed
Length Max
  • 1.7
Depth Range Min
  • 31
Depth Range Max
  • 51