Betta hipposideros Ng & Kottelat 1994

Differs from Betta chloropharynx in the following characters: horseshoe-shaped black throat mark (vs. µ-shaped black throat mark); presence of both dorsal and caudal transverse bars (vs. absence); more subdorsal scales (mode 6 1/2 vs. 5-6). It is distinguished from Betta renata in the following characters: horseshoe-shaped black throat mark (vs. kidney-shaped); non-spotted opercle (vs. spotted opercle); opercle with yellow or brown lower margin (vs. black margin); fewer postdorsal scales (mode 12 vs. 9 1/2); more anal fin rays (mode 30 vs. 29); more lateral scales (mode 32 vs. 31). Can be differentiated from Betta spilotogena in the following characters: horseshoe-shaped black throat mark ((vs. black median spot); non-spotted opercle (vs. spotted opercle); opercle with yellow or brown lower margin (vs. back margin); presence of both dorsal and caudal transverse bars (vs. absence); and more subdorsal scales (mode 6 1/2 vs. 5 1/2) (Ref. 56386).

Dorsal spines (total): 1; Dorsal soft rays (total): 8; Analspines: 2; Analsoft rays: 28

Occurs in backwater peat swamps with substrate usually peat and leaf litter. Large fish are found in the flowing sections of the blackwater streams and smaller ones appear to prefer pools and slower flowing waters.

Betta hipposideros is a species of gourami native to Malaysia ; its range extends southwards to the Riau Archipelago. It is an inhabitant of blackwater swamps. This species grows to a length of 7.8 cm (3.1 in).