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Species: Ctenogobius pseudofasciatus, Slashcheek goby

All Families:   All Genera:   All Species:

flank: 5 black blotches
oblique stripe: mouth to mid preopercle
lower preopercle edge black
D2 11; A 12
male D1- 3rd spine often elongate
C base - oval dark spot

Ctenogobius pseudofasciatus (Gilbert & Randall, 1971)

Slashcheek goby

Body elongate, slightly compressed; eyes large, towards front, narrow between them; tongue slightly emarginated to distinctly emarginate or bilobed; teeth in upper and lower jaws in several rows, outer enlarged; large recurved canines on mid-side of lower jaw in male; 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 (3rd spine elongate in males) + I, 11(10-11); length of 2nd dorsal base > distance from 2nd dorsal base to tail fin; anal fin I, 12 (11-12); pectoral fins 16-18 (13-18); pelvic fins I, 5, united forming a disk; scales rough 33 (29-36) in lateral series, no scales under pectoral fin base; no lateral line.

Body color light tan, patterned in dark brown to black; sides with five blotches along midline; back crossed by several diffuse bars not reaching the midline of body; side of head with a blotch of pigment extending from the lower rear corner of the preopercle forward toward the front of the eye; an oblique stripe from corner of mouth to preopercular angle; pectoral fin with 4-5 vertical bars; caudal fin with 7-8 vertical bars; pelvic fins dusky; anal fin with small, black, discrete spots at the base of the membranes between the rays in males, absent in females; 1st dorsal with four dark stripes, the outermost wide and reaching to the edge of the fin; 2nd dorsal fin with three dark stripes.

Reaches 5.8 cm.

Habitat: Rivers and estuaries.

Depth: 1-15 m?

Florida to the S Caribbean.


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Salinity
  • Brackish
  • Freshwater
  • Non Marine
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
Habitat
  • Estuary
  • Sand & gravel
  • Mud
  • Freshwater
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
FishBase Habitat
  • Demersal
Feeding Group
  • Omnivore
  • Detritivore
  • No Data
Diet
  • Mobile benthic crustacea (shrimps/crabs)
  • Benthic microalgae
  • Detritus
Egg Type
  • Benthic
  • Pelagic larva
  • No data
Global Endemism
  • West Atlantic Endemic
  • Greater Caribbean endemic
Regional Endemism
  • Continent + Island (s)
  • GC endemic
  • Island (s)
  • Continent
  • Continental primarily
Residency
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Not evaluated / Listed
CITES
  • Not listed
Length Max
  • 5.8
Depth Range Min
  • 1
Depth Range Max
  • 15