dcsimg

Diagnostic Description

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Diagnosed by the following characters: space between anterior nostril and base of nasal barbel about equal to nostril diameter; anterior and posterior nostrils relatively small with diameter less than that of eye; anterior nostril situated at end of short tube; jaws subequal (lip of upper jaw projecting past lower jaw); caudal fin emarginate (not strongly forked); eye dorsolateral, not protruding above head when viewed from side; large depression below eye; posterior edge of pectoral spine with 1-3 small serrae (much less than half width of spine); obvious concavity on top of head extending from anterior median fontanel to posterior median fontanel with body ridge along either side formed by medial edges of frontals and supraoccipitals; ridges converge posteriorly at elevated supraoccipital process (Ref. 75761).Description: Dorsal fin I,4i; Anal fin iii5, iii,5i; iii,6, iii,6i; Pectoral I,6; Pelvic 6 (Ref. 75761).
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Recorder
Armi G. Torres
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Morphology

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Dorsal spines (total): 1; Dorsal soft rays (total): 5; Analsoft rays: 8 - 10; Vertebrae: 30 - 33
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Recorder
Armi G. Torres
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Biology

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Inhabits gravel-sandy run in a medium-sized turbid river with average width of 40 m (Ref. 75761).
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cc-by-nc
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FishBase
Recorder
Armi G. Torres
original
visit source
partner site
Fishbase