IUCN threat status:

Data Deficient (DD)

Comprehensive Description

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Description

  Common names: goby (English), gobio (Espanol)
 
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.
   

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© Shorefishes of the tropical eastern Pacific online information system. www.stri.org/sftep

Source: Shorefishes of the Tropical Eastern Pacific Online Information System

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