Shorefishes of the Greater Caribbean online information system

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Species: Tigrigobius gemmatus, Frecklefin Goby

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dark, 8-9 dark bars behind pectoral
D, C & A dark + weak bars
scales: tail base 10 rows, C base 4 v rough

Tigrigobius gemmatus (Ginsburg, 1939)

Frecklefin Goby

Elongate; head rounded, snout short;a pore midway between front of the two eyes; 2 pores on preopercle; upper jaw with 4-5 rows of teeth, outer row enlarged, inner row not enlarged, large canines absent; lower jaw with 5-6 rows of teeth present, outer row slightly enlarged, inner row enlarged posteriorly, large canines present; gill membranes broadly joined to body under throat, with 5 rays; dorsal fin VII (first 2 spines in adult males filamentous) + I, 11 (10-11); length of 2nd dorsal base > distance from 2nd dorsal base to tail fin; anal fin I, 9 (9-10); pectoral fins 15-16 (14-17); pelvic fins I, 5, disk complete; tail rounded; tail base with 10 rows of scales; 4 very rough scales on tail fin base; no lateral line.

Head and body dark grey, with 8-9 darker, inconspicuous bars on body; three dark bars cross top of head and nape; head is mottled with dark brown and pale spots, spots extending onto cheeks; in life some are yellowish gray; vertical fins weakly barred, membranes dark.

Reaches: 2.5 cm.

Habitat: found in small holes in “coral cement”.

Depth: 0-5 m.

The Bahamas to the S 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)
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)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 2.5
Depth Range Min
  • 0
Depth Range Max
  • 5