IUCN threat status:

Vulnerable (VU)

Comprehensive Description

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Description

  Common names: brotula (English), brótula (Espanol)
 
Ogilbia cocoensis Moller, Schwarzhans & Nielsen 2005


Cocos brotula


Body elongate and somewhat compressed; head wide (usually > 10% of SL) and shallow (height usually < 16% of SL); top jaw bone expanded vertically at rear, relatively deep; jaw pores small; snout rounded;  a sharp spine on opercle that has 1 tip; eye relatively large (2.2-2.6% of SL); preopercle with 3 pores at lower rear corner, upper part with a pore; gill rakers 14-16, 2-4 long rakers in angle of arch; origin of dorsal fin at level of middle of pectoral fins; each pelvic fin consists of 1 filament, inserted under edge of gill cover; dorsal rays 63-70; anal rays 49-54, origin of anal fin under dorsal fin rays 18-21; pectoral rays 19-21; tail fin rays 16; lateral line indistinct, continuous, complete; body covered with overlapping, relatively large scales, about 110 in midlateral series; patch of cheek scales with 6-7 vertical rows of scales; belly with scales; penis moderately long, curved, abruptly tapering to tip; 2 pairs of moderately large pseudoclaspers associated with penis, outer pair triangular, with a sharp tip, inner pair point forwards, with a sharp pointed tip at front and a fleshy flap at rear.

Reddish brown body and fins

Size: reaches 4.5 cm.

Inhabits shallow reefs.

Depth: 0.3-3 m.



Endemic to Cocos Island, Costa Rica.
   

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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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