IUCN threat status:

Least Concern (LC)

Comprehensive Description

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Description

  Common names: bobo (English), aguapuro (Espanol), barbeta (Espanol), barbudo (Espanol), bobo (Espanol)
 
Polydactylus approximans (Lay & Bennett, 1839)


Blue bobo


Elongate, compressed; snout short, conical, translucid, overhangs mouth; mouth moderate, below, with bottom lip extending to front, but no top lip; tooth bands of top jaw touching in center; eyes large, longer than snout, with fatty cover, at front of head; 26-31 gill rakers; preopercle serrated;  two well separated dorsal fins, VIII + I, 12-13; tail forked; pectoral low on side, divided in two sections, upper section a normal14-16 rays, lower section under gills with 6 (5-7) long free rays, horizontal length of total fin base shorter than upper jaw; pelvics well behind pectoral base, under 1st  dorsal; anal fin base short, III, 14 (13-15); scales rough; lateral-line scales 56-63; lateral line extends onto tail fin, with a line to rear edge of each tail lobe.

Bluish on back, silvery whitish on sides;  main part of pectoral fin black.


Size: reaches 36 cm.

Inhabits sand- mud bottoms, often near river mouths or along sandy beaches where surf is breaking.

Depth: 0-30 m.

Central California to Baja California, and the Gulf of California to Chile, Cocos Is.
   

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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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