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Species: Ctenogobius stigmaturus, Spottail Goby

All Families:   All Genera:   All Species:

lower side: dark comma blotches
preopercle rear edge black
dark spot - center front opercle
D2 11; A 12
dark bar under eye
nape: 10-12 scales before D

Ctenogobius stigmaturus (Goode & Bean, 1882)

Spottail Goby

Body elongate, slightly compressed; eyes moderate, towards front, narrow between them; tongue bilobed; teeth in upper jaw in 2-3 rows; 2 or three large canines on either side of jaw, in outer row; lower jaw in males with 2 large recurved canines in front; females with smaller teeth in outer front row; front of roof of mouth without teeth; gill rakers short, triangular 0 + 4-5; gill membranes broadly joined to body under throat, with 5 rays; dorsal fin VI, spines not elongate in either sex, + I, 11 (10-12); length of 2nd dorsal base > distance from 2nd dorsal base to tail fin; anal fin I, 12 (10-13); pectoral fins 16 (9-18); pelvic fins I, 5, united forming a disc; scales rough, none on head, except nape with 10-12 scales before 1st dorsal; 31(28-35) in lateral series; no lateral line.

Tan; dark blotch on cheek below and behind eye; faint shoulder spot; edge of preoperculum distinctly darker; a dark spot on the center front of the opercle; dark comma-shaped blotches on mid and lower flank; tail fin with a dark spot at its base, rest of fin barred; dorsals and anal with oblique dark bars.

Reaches: 6.5 cm.

Habitat: From rubble shallows of open coasts to nearly fresh water.

Depth: 0-10 m?

Bermuda to the S Caribbean.

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  • Brackish
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • Submerged vegetation
  • Estuary
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Demersal
  • Reef Associated
Feeding Group
  • Data
  • Detritivore
  • Omnivore
  • Data
  • Benthic microalgae
  • Detritus
  • Mobile benthic crustacea (shrimps/crabs)
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
  • 6.5
Depth Range Min
  • 0
Depth Range Max
  • 10