Shorefishes of the Tropical Eastern Pacific Online Information System
Updated: 06/12/2008  

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Ophidiiformes  -  Bythitidae  -  Ogilbia  -  Ogilbia ventralis

Ogilbia ventralis

All Families(148) All Genera(504) All Species(1287)
head narrow, shallow
D 79-81

A 56-65

lower jaw - rear 3 pores small
opercular spine - 1 point

cheek scales: small, 7-9 filas verticales


Ogilbia ventralis (Gill, 1863)

Red-brown brotula

Body elongate and somewhat compressed; snout rounded;  head relatively narrow (usually < 10% of SL) and shallow (height usually < 16% of SL), narrow between eyes; top jaw bone expanded vertically at rear; rear 3 pores on bottom jaw small; a sharp spine on opercle that always has 1 tip; eye relatively large (1.9-2.8% of SL); preopercle with 3 pores at lower rear corner; upper part with a pore; gill rakers 13-17, 2-4 long rakers in angle of arch; origin of dorsal fin at level of middle of pectoral fins; pelvic fins inserted below rear part of head;  dorsal rays 78-91; anal rays 56-65; origin of anal under dorsal rays 20-26; pectoral rays 19-21; tail fin rays 15-16; lateral line indistinct, continuous, complete; body covered with tiny overlapping scales, about 110 in midlateral series; patch of cheek scales with 7-9 vertical rows of scales; belly with scales; penis moderately long, curved, tapering, thin; 2 pairs of long pseudoclaspers associated with penis, outer pair broad, ezpanded at tips, inner pair with 3 slender branches at tip, center branch short.

Reddish brown, white on lower part of head and belly; dorsal and anal fin bases lighter.

Size: reaches 9.2 cm.

Inhabits shallow reefs.

Depth: 1-10 m.

Southern Baja and the SW and central E Gulf of California.

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