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Species: Elacatinus tenox, Slaty goby

All Families:   All Genera:   All Species:

head, body & fins all dark
snout: yellow bar
behind eye: short narrow yellow stripe

Elacatinus tenox (Bohlke & Robins, 1968)

Slaty goby

Elongate; head compressed; mouth opens at front; top lip separated from snout by groove; upper teeth in 4-5 rows, outer enlarged and needle-like; lower jaw with 6-7 rows of teeth, outer enlarged, two enlarged canines towards the anterior end, on each side; gill membranes broadly joined to body under throat, with 5 rays; dorsal fin VII + I, 11; length of 2nd dorsal base > distance from 2nd dorsal base to tail fin; anal fin I, 9; pectoral fins 17-20; pelvic fins I, 5, disk complete; tail rounded; no scales; no lateral line.

Body, head and fins slate grey; snout with a short central yellow bar, from between the eyes to near the top jaw; a short yellow stripe from behind eye to above pectoral fin.

Reaches: 3.0 cm.  

Habitat: Lives within sponges, Neofibrularia sp.

Depth: 15-70 m.

NE to SW Caribbean.

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  • Marine
  • Marine Only
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Sponges
  • Reef only
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
  • Data
  • Mobile benthic worms
Egg Type
  • Data
  • Benthic
  • Pelagic larva
Global Endemism
  • Greater Caribbean endemic
  • West Atlantic Endemic
  • All species.
Regional Endemism
  • Continent + Island (s)
  • Island (s)
  • GC endemic
  • Caribbean endemic
  • All species..
  • Insular primarily
  • Continent
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 3
Depth Range Min
  • 15
Depth Range Max
  • 70