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Species: Lythrypnus minimus, Pygmy Goby

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head & body orange
under eye: ~3 oblique dark bars
~10 narrow pale saddles/bars on back, 2-3 on nape
D1 elongate spines in male
male pectoral base: large black blotch
24 lateral scales

Lythrypnus minimus Garzón-Ferreira & Acero P., 1988

Pygmy Goby

Body relatively deep, compressed; head compressed, profile round; head without pores; papillae around mouth, on cheeks and operculum and over eye;front nostril a long tube, rear nostril a raised rim; mouth very oblique; tongue bluntly pointed; gill opening narrow, ~pectoral base; 5-7 gill rakers; gill membranes with 5 rays; dorsal fin VI (spines I-II elongate in male) + I, 10 (7-11); length of 2nd dorsal base > distance from 2nd dorsal base to tail fin; anal fin I, 8 (8-9); pectoral fin 15 (12-16) rays unbranched; pelvics I, 5, fused into disc; tail fin short, round, with 17 segmented rays; scales rough, body scaled except chest and pectoral base, 24 lateral rows, none on head and nape; no lateral line.

Body translucent red or orange with 10 narrow pale saddles or bars on posterior half, 2-3 more bars on nape; 2-4 oblique darker bars or rows of spots below eye; females may be uniformly colored; base of pectoral fin in adult males with a dark black blotch, roundish and wide, covering the entire vertical extent of base and the bases of pectoral rays; reduced or absent in young and females; all fins with scattering of pigment dots, especially males; bottom portion of dorsal fin brown.

Reaches 1.5 cm.

Found on coral reefs, isolated heads and patch reefs in protected lagoons and compact reefs.

Depth range: 1-109 m.

The Bahamas to the S Caribbean.

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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
  • 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
  • 1.5
Depth Range Min
  • 1
Depth Range Max
  • 109