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).

Betta midas is a species of gourami in the genus Betta. It is native to Asia, specifically the island of Borneo, where it occurs in the Kapuas River basin in West Kalimantan in Indonesia, as well as western Sarawak in Malaysia. It is typically found in acidic blackwater rivers in remnant and intact peat swamp forests. The species reaches 6.6 cm (2.6 inches) in standard length and is known to be a facultative air-breather.