dcsimg

Diagnostic Description

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Scales in lateral line series above lateral band 48-52; predorsal scales 23-26; conical head shape, with a terminal mouth placed near a horizontal line crossing the center of pupil and the middle of head depth and lacks a pronounced angle at the retroarticular joint (Ref. 47314). Differs from O. bicudo by having smaller snout length, larger eye diameter, larger interorbital width and larger head depth (Ref. 47314).
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Recorder
Armi G. Torres
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Morphology

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Dorsal spines (total): 4 - 6; Dorsal soft rays (total): 8 - 10; Analspines: 1; Analsoft rays: 13 - 18; Vertebrae: 47 - 49
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FishBase
Recorder
Armi G. Torres
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Biology

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Occurs almost exclusively in freshwater lakes, but also found occasionally in brackish water lagoons (Ref. 47314).
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cc-by-nc
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FishBase
Recorder
Armi G. Torres
original
visit source
partner site
Fishbase