Species: Bathygobius andrei, Estuarine frillfin
Bathygobius andrei (Sauvage, 1880)
Estuarine frillfin
Body robust; head broad, depressed; snout bluntly rounded; eyes large, close together; mouth moderate sized, relatively horizontal; tongue with distinct notch in front; jaw teeth in bands, without canines; dorsal fins VI + I, 9-10 rays; anal I, 8-9 rays; pelvic disc more or less rounded, its front membrane with angular edges; tail round, 23-32 rays; pectoral rays 20-22, the uppermost 6 rays forming free filaments, 1st to 4th branch only once; scales large, rough, 33-36 on mid side, predorsal scales not reaching eyes; sometimes a small patch of scales on upper corner of operculum, rest of head scaleless.
Grey brown with light streak on each scale; faint dark bars and blotches evident on side; head without pale spots; 1st dorsal fin with an oblique dark bar at front; 3 dark blotches behind eye small, 2nd is smallest and 3rd is largest; juveniles are much lighter with well defined blackish bars and blotches and a dark-spotted caudal fin.
Size: grows to at about 15 cm.
Inhabits brackish water in tide pools and rocky shores of bays and in creeks and estuaries.
Depth: 0-2 m.
Guatemala to northern Peru.
High Resolution Map Download
- Salinity
-
- Brackish
- Marine
- Freshwater
- Inshore/Offshore
-
- Inshore Only
- Inshore
- Water Column Position
-
- Bottom only
- Bottom
- Habitat
-
- Rocks
- Mangrove
- Reef (rock/coral/oyster)
- Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
- Reef associated (reef + edges-water column & soft bottom)
- Estuary
- Reef and soft bottom
- FishBase Habitat
-
- Reef Associated
- Feeding Group
-
- Carnivore
- No Data
- Diet
-
- Mobile benthic gastropods/bivalves
- No Data
- Mobile benthic crustacea (shrimps/crabs)
- Mobile benthic worms
- Egg Type
-
- No data
- Benthic
- Pelagic larva
- Global Endemism
-
- East Pacific endemic
- Tropical Eastern Pacific (TEP) endemic
- All species
- Regional Endemism
-
- Panamic province endemic
- Continental TEP endemic
- Continent only
- All species
- TEP endemic
- Continent
- Residency
-
- Resident
- Climate Zone
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- South Temperate (Peruvian Province )
- Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
- Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
- IUCN Red List
-
- Listed
- Least concern
- CITES
-
- Not listed
- Length Max
-
- 15
- Depth Range Min
-
- 0
- Depth Range Max
-
- 2
