Parosphromenus Opallios (Parosphromenus opallios) is a ray-finned fish of the family Osphronemidae. It inhabits freshwater waters. This species can reach a maximum total length of 2.5 cm. With a trophic level of 3.1, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Endangered on the IUCN Red List.
Dorsal spines (total): 11 - 13; Dorsal soft rays (total): 6 - 8; Anal spines: 11 - 12; Anal soft rays: 10 - 11. Dorsal fin with 11-13 spines. Anal fin with 11-12 spines and 10-11 segmented rays. In live male, dorsal, anal and caudal fins with a narrow greenish-bluish margin and a black subdistal band bordered proximally by a blue iridescent band, very narrow in caudal, wider (especially anteriorly) in anal and dorsal. Proximal part of dorsal and anal black along body, grading into red distally, usually forming a conspicuous black blotch at posterior end of dorsal base. Proximal part of caudal fin deep black, grading into bright red patch. Pelvic fin and filament blue .: elongated.
Behavioural data for Parosphromenus Opallios is currently being reviewed.
Diet information for Parosphromenus Opallios is currently being compiled.
Reproduction data for Parosphromenus Opallios is currently being compiled.
Freshwater; benthopelagic. Tropical
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