Betta iaspis
Betta iaspis Ding, Lei, Haryono, Shi & Zhang, 2025 Ding, Lei, Haryono, Shi & Zhang, 2025
Betta iaspis
photo by Jiali Ding et al., 2025

Family:  Osphronemidae (Gouramies), subfamily: Macropodusinae
Max. size:  2.39 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Asia: Indonesia.
Diagnosis:  Dorsal soft rays (total): 8-10; Anal soft rays: 27-28. This species is distinguished by the following set of characters: dorsal-fin rays (8-10*) and subdorsal scales (5-6*); dorsal-fin base (7.5-19.1% SL, mean 11.7%); male with dark blackish body; absence of green iridescent mid-lateral body patch; dorsal-, pelvic- and caudal fins red without significant marks; blackish anal fin with reddish patches on posterior part (Ref. 137539).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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