Betta midas Tan 2009

Can be distinguished in possessing the following combination of characters: relatively thick-set body (body depth 24.3-29.0 % SL); head devoid of pattern except for black stripe that runs from black lower lip, through eye to edge of opercle; opercle with gold iridescent scales when live; belly and body with gold iridescent scales; some median caudal rays projecting beyond fin margin (Ref. 81926).Description: dorsal fin situated far back; caudal fin lanceolate; pelvic fin filamentous (Ref. 81926).

Dorsal spines (total): 1; Dorsal soft rays (total): 8 - 10; Anal spines: 1 - 2; Analsoft rays: 25 - 29; Vertebrae: 31 - 32

A paratype series was collected from a blackwater river running through remnant and intact peat swamp forest, with pH 4.1(Ref. 81926).