Irvineia Orientalis (Irvineia orientalis), first described by Trewavas, 1964 is a large fish. Adults typically reach 50.20 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.
Dorsal spines (total): 1; Dorsal soft rays (total): 6. Diagnosis: adipose fin always present; posterior nostrils always closer to each other than anterior ones; 7-9 branched pelvic fin rays; nasal barbel at least reaching to midway between eye and opercle; posterior side (inner side) of pectoral spine feebly serrated; swim-bladder with posterior caecum which extends caudally on one side of body (dextrally or sinistrally) to posterior end of anal fin .
Behavioural data for Irvineia Orientalis is currently being reviewed.
Distinct pairing .
Freshwater; demersal. Tropical; 10°N - 0°N
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