Amphidromous freshwater species . The maximum size is 193 mm SL and 242 mm TL observed, but perhaps it can reach 264 mm TL .
Dorsal soft rays (total): 10; Anal spines: 1; Anal soft rays: 10. Diagnosis: usually 18-20 scales in rearward transverse series (range 18-22); 23-30 scales around caudal peduncle; densely pigmented on dorsum and with large, dark spots on flanks . : elongated.
Behavioural data for Awaous Bustamantei is currently being reviewed.
Diet information for Awaous Bustamantei is currently being compiled.
Reproduction data for Awaous Bustamantei is currently being compiled.
Freshwater; demersal; amphidromous . Tropical
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