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

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Siluriformes  -  Ariidae  -  Cathorops  -  Cathorops steindachneri

Cathorops steindachneri

All Families(148) All Genera(504) All Species(1287)
head:  1 long central groove

large eye

roof mouth - 1pr patches molar teeth
gill opening - side only
A 22-23


Cathorops steindachneri  (Gilbert & Starks, 1904)

Steindachner's sea-catfish

Body elongate; top of head rough on rear half, covered with thin skin;  a single long, narrow groove on top of head; eye relatively large, 2.0-2.8 in fleshy space between eyes;3 pairs of barbells (on chin and both jaws); lips fleshy, but not thick; jaw bone wide, with conical teeth, teeth at front of top jaw in continuous broad band; roof of mouth with two large, well separated, horizontally oval patches of large molariform teeth; gill opening restricted to sides by adhesion of gill membranes to breast; rakers present on posterior surface of all arches; dorsal rays I, 7; anal rays 22-23; pectoral rays I, 10.

Dusky brownish on back, silvery white on sides and belly
Size: to 36 cm.

Mainly in brackish river mouths, but also in freshwater.

Depth: 0-20 m.

Costa Rica to  northern Peru

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