Species: Elacatinus atronasus, Blacknose goby
lower dark stripe wide, ends as oval spot on lower C
Elacatinus atronasus (Bohlke & Robins, 1968)
Blacknose goby
Elongate; head compressed; mouth U-shaped, slightly under snout, top lip separate from snout; top jaw ends under rear border of eye; tongue short, tip truncate or slightly emarginated; males with outer row of long teeth above, two fangs at rear; lower jaw with two large fangs in inner row; gill membranes broadly joined to body under throat, with 5 rays; dorsal fin VII + I, 11 (10-11); length of 2nd dorsal base > distance from 2nd dorsal base to tail fin; anal fin I, 10 (9-11); pectoral fins 16 (15-17); pelvic fins I, 5, disk complete; tail rounded; no scales; no lateral line.
Snout and front of head black, with a long oval yellow spot from just before eye to near mouth; a yellow stripe from top of eye to the base of tail fin, often with a break in that stripe just before the tail fin; a lateral dark stripe, well developed and wide, from the bottom of the pectoral-fin base to lower portion of tail fin, where it forms a distinct oval black spot; top of body dusky; all fins, except tail fin, clear.
Reaches: 5.0 cm.
Habitat: vertical faces of coral ledges, with numerous holes and around undercut ledges.
Depth: 25-35 m.
The Bahamas.
High Resolution Map Download
- Salinity
-
- Marine
- Marine Only
- Inshore/Offshore
-
- Inshore Only
- Inshore
- Water Column Position
-
- Bottom
- Habitat
-
- Corals
- Reef (rock/coral/oyster)
- Reef associated (reef + edges-water column & soft bottom)
- Reef only
- Rocks
- FishBase Habitat
-
- Reef Associated
- Feeding Group
-
- Planktivore
- Data
- Diet
-
- Zooplankton
- Data
- Egg Type
-
- Pelagic larva
- Data
- Benthic
- Global Endemism
-
- All species.
- West Atlantic Endemic
- Greater Caribbean endemic
- Regional Endemism
-
- Bahamas endemic
- GC endemic
- Island (s)
- All species..
- Island (s) only
- Residency
-
- Resident
- Climate Zone
-
- Subtropical (23-35N, Florida / Carolinas / Bermuda)
- IUCN Red List
-
- Listed
- Endangered
- CITES
-
- Not listed
- Length Max
-
- 5
- Depth Range Min
-
- 25
- Depth Range Max
-
- 35
