Species: Coryphopterus alloides, Barfin sand-goby, Barfin goby
front D1: black blotch or bar
black bar front belly
Coryphopterus alloides Bohlke & Robins, 1960
Barfin goby
Snout profile straight; head pores present, usually 1 between center of eyes, 1 pair between rear nostril; papillae on cheek in horizontal rows; mouth small, relatively horizontal; gill membranes broadly joined to body under throat, with 5 rays; dorsal fin VI + I, 9 (rarely 8); length of 2nd dorsal base > distance from 2nd dorsal base to tail fin; anal fin I, 8; pectoral rays 16-17; pelvic fins I, 5, with rays unbranched, fins almost completely separate, anterior membrane very reduced; body covered with scales, scales large, rough, absent from head, 25-26 in lateral series; no lateral line.
Head and front body mottled with orange, rear body mottled with yellow; body with scattered small spots and seven larger darker spots on top of body under bases of dorsal fins; a dark bar on front of belly, just behind pectoral fin base; a dark spot present on tail base; 1st dorsal fin with a black blotch between spines II & III; tail and pectoral fins essentially clear, with some scattered small spots; anal fin dusky except near base; no black ring around anus.
Reaches: 4 cm.
Depth: 9-28 m.
Habitat: flat coral heads in clear water.
Florida to the S Caribbean.
High Resolution Map Download
- Salinity
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- Marine
- Marine Only
- Inshore/Offshore
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- Inshore Only
- Inshore
- Water Column Position
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- Bottom
- Habitat
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- Reef associated (reef + edges-water column & soft bottom)
- Reef only
- Rocks
- Reef (rock/coral/oyster)
- FishBase Habitat
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- Reef Associated
- Feeding Group
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- Detritivore
- Data
- Omnivore
- Diet
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- Data
- Detritus
- Benthic microalgae
- Mobile benthic crustacea (shrimps/crabs)
- Egg Type
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- Data
- Benthic
- Pelagic larva
- Global Endemism
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- All species.
- West Atlantic Endemic
- Greater Caribbean endemic
- Regional Endemism
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- Continent + Island (s)
- Continent
- GC endemic
- Island (s)
- All species..
- Residency
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- Resident
- Climate Zone
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- Tropical (10-23N, Nicaragua / Cuba)
- Subtropical (23-35N, Florida / Carolinas / Bermuda)
- Equatorial (0-10N, Costa Rica / Venezuela)
- IUCN Red List
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- Vulnerable
- Listed
- CITES
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- Not listed
- Depth Range Max
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- 28
- Depth Range Min
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- 9
- Length Max
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- 4
