Species: Gobulus crescentalis, Crescent goby
D2 I, 10-11: A I, 9-10
Gobulus crescentalis (Gilbert, 1892)
Crescent goby
Slender, compressed body; distinctly depressed head; head without pores; mouth small, at front, oblique, lower jaw projecting, top jaw not extending beyond eye; teeth in bands on jaws, no canines; longitudinal and vertical rows of papillae on cheeks; dorsal fin VII+ I, 11 (10-11), 2 fins separate; anal fin I, 10 (9-10); pectoral fin 17 (16-18); almost no membrane between the front of the pelvic spines, fins form a flat plate; tail short, rounded; no scales.
Upper ½ of head and body light and lower sides and belly dark, dark color does not reach above midline of body . Male: lower body purplish at front, brown at rear; upper body tan with darker mottling; tail fin base with cream crescent shaped bar with blackish outer edge, gold outer fin; dorsal fins yellowish; anal and pelvic fins white; pectoral with orange mottling. Female: lower body dark maroon, upper pale tan with fine brown spots; crescent bar at tail fin base; first dorsal orange, second dorsal white.
Size: 6.1 cm.
Habitat: rocks on sand, and cobble.
Depth: 1-20 m.
Central Baja and throughout the Gulf of California to Panama; Cocos Is.
High Resolution Map Download
- Salinity
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- Marine Only
- Marine
- Inshore/Offshore
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- Inshore
- Inshore Only
- Water Column Position
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- Bottom only
- Bottom
- Habitat
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- Rocks
- Reef (rock/coral/oyster)
- Reef and soft bottom
- Reef associated (reef + edges-water column & soft bottom)
- Sand & gravel
- Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
- FishBase Habitat
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- Demersal
- Feeding Group
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- No Data
- Carnivore
- Diet
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- No Data
- Mobile benthic worms
- Mobile benthic crustacea (shrimps/crabs)
- Mobile benthic gastropods/bivalves
- Egg Type
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- No data
- Pelagic larva
- Benthic
- Global Endemism
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- East Pacific endemic
- Tropical Eastern Pacific (TEP) endemic
- All species
- Regional Endemism
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- Continent
- Island (s)
- All species
- TEP endemic
- Residency
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- Resident
- Climate Zone
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- Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
- Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
- Northern Subtropical (Cortez Province + Sinaloan Gap)
- North Temperate (Californian Province &/or Northern Gulf of California)
- IUCN Red List
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- Listed
- Least concern
- CITES
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- Not listed
- Length Max
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- 6.1
- Depth Range Min
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- 1
- Depth Range Max
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- 20
