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Species: Tomicodon leurodiscus, Smooth-suckered Clingfish

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5-9 bars, rear 4 v wide
D, C & A: black base, red edge
front nostril - no flap
sucker: front edge smooth
PC 20
A 6, origin under D ray 4-5
anus nearer A than to sucker

Tomicodon leurodiscus Williams & Tyler, 2003

Smooth-suckered Clingfish

Body and head relatively slender (both viewed from above); front nostril without a skin flap; front of both jaws with a single row of flattened incisors, some with 3 points; top jaw with 2 canines, 8-9 incisors, lower jaw 2 canines, 6 incisors; a small fleshy swelling at pectoral base; 1 dorsal fin, at rear, no spines, 7; anal fin like dorsal fin and under it, origin under dorsal ray 4-5, 6 rays; pectoral 20; only a small fleshy swelling at pectoral base; sucker disc with broad patches of papillae at front (6 rows) and rear (7 rows) but no papillae in center, front edge of disc smooth, without fleshy tabs; anus nearer anal fin origin than sucker; tail fin 10 segmented rays; no scales; lateral line present as pores on head only.

Head greenish grey; snout dark brown; several oblique dark lines under eye and on lower operculum; a dark brown blotch on top of nape; body reddish brown above, white below; ~5-9 dark brown bars from top to bottom of body, last 4 bars are very wide; dorsal, tail and anal fins with black base, clear center, reddish outer edge. Fish may alternatively have upper 2/3 of head and body very dark brown.

Reaches 2.3 cm.

Lives on vertical rock walls.

Depth range: 5-14 m.

The E Caribbean.

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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
  • 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
  • Continent
  • Continent + Island (s)
  • GC endemic
  • Insular primarily
  • Island (s)
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 2.3
Depth Range Min
  • 5
Depth Range Max
  • 14