Species: Bollmannia stigmatura, Tail-spot goby
Bollmannia stigmatura Gilbert, 1892
Tail-spot goby
Head & body compressed; body relatively slender (greatest depth 17.5-24% of SL); head rounded, elongate (26-31% of SL); eye large, 8-11% of SL; mouth large, very oblique; teeth in several rows; dorsal fin VII (moderately long, filamentous, 5th longest, reaching to 6th or 7th dorsal ray) + I, 13; anal I, 13; last rays of dorsal & anal reach base of tail fin; pectoral rays 22-25, reaches origin of anal fin; pelvics fused to form disc, front margin of disc scalloped, nearly reaching anus; tail base slender (least depth 7.3-9.9% of SL); tail fin long (~ 50% of SL), strongly pointed; scales large (27-28 rows along body), rough; 7-8 scales before dorsal fin; 1 large + several small scales on upper opercle, several medium sized on upper preopercle, several small scales on lower preopercle; 6-8 medium sized scales on base of pectoral fin.
Grey-brown; head and body with a few orange spots; a prominent black line on top lip; no spot on first dorsal fin; second dorsal dusky, with 2 rows of orange spots; tail fin with a large dark spot covering its base, upper half with orange spots, an orange stripe on lower half; anal fin blackish, with an inner orange stripe; pelvics blackish.
Size: to 12 cm.
Habitat: muddy bottoms.
Depth: 20-150 m.
The Gulf of California to northern Peru.
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
- Bottom only
- Habitat
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- Mud
- Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
- Sand & gravel
- Soft bottom only
- FishBase Habitat
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- Demersal
- Feeding Group
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- Planktivore
- No Data
- Carnivore
- Diet
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- Mobile benthic crustacea (shrimps/crabs)
- No Data
- Mobile benthic worms
- Egg Type
-
- No data
- Benthic
- Pelagic larva
- Global Endemism
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- Tropical Eastern Pacific (TEP) endemic
- All species
- East Pacific endemic
- Regional Endemism
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- 3 provinces (Cortez + Mexican + Panamic) endemic
- Continent only
- TEP endemic
- Continental TEP endemic
- Continent
- All species
- Residency
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- Resident
- Climate Zone
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- Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
- North Temperate (Californian Province &/or Northern Gulf of California)
- Northern Subtropical (Cortez Province + Sinaloan Gap)
- Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
- South Temperate (Peruvian Province )
- IUCN Red List
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- Data deficient
- Listed
- CITES
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- Not listed
- Length Max
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- 12
- Depth Range Min
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- 20
- Depth Range Max
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- 150
