Diagnostic Description
(
Anglèis
)
fornì da Fishbase
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).
Morphology
(
Anglèis
)
fornì da Fishbase
Dorsal spines (total): 4 - 6; Dorsal soft rays (total): 8 - 10; Analspines: 1; Analsoft rays: 13 - 18; Vertebrae: 47 - 49
Biology
(
Anglèis
)
fornì da Fishbase
Occurs almost exclusively in freshwater lakes, but also found occasionally in brackish water lagoons (Ref. 47314).