Oryzias profundicola Kottelat, 1990
Yellow finned medaka
Oryzias profundicola
photo by Parenti, L.R.

Family:  Adrianichthyidae (Ricefishes), subfamily: Oryziinae
Max. size:  6 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater; pH range: 7.5 - 8.5, non-migratory
Distribution:  Asia: Indonesia.
Diagnosis:  Dorsal soft rays (total): 10-14; Anal soft rays: 26-29. Distinguished from all other species of the genus by the following characters: 26-29 anal rays; 10-14 dorsal rays; and body depth 30-35% SL. These are unique characters except for dorsal ray counts for which the counts of 10-12 are shared with other species (Ref. 26687). Description: Males have greenish brown head and body with diffuse dark brown blotches irregularly dispersed on body. A row of 5-8 larger blotches more or less irregularly distributed above axial stripe always present. Eye blue. Females have a lighter brown head and body without black marks. Female fins are hyaline, except for a grey margin at anal fin. Description: Body compressed, deep. Mouth terminal, almost horizontal. Jaws subequal or upper jaw slightly longer. Dorsal head profile convex in the interorbital area. No concavity on the nape. (Ref 26687)
Biology:  Adults occur along gently sloping shores with large boulders on sand and pebble bottom (Ref. 26687). Found only below 1.5 m and in small groups of 2-20 individuals (Ref. 26687). Non-annual breeders (Ref. 27139).
IUCN Red List Status: Near Threatened (NT); Date assessed: 12 June 2018 (B1b(i,ii,iii,iv)+2b(i,ii,iii,iv)) Ref. (123251)
Threat to humans:  harmless
Country info:   

Entered by: Cruz, Tess - 05.08.92
Modified by: Luna, Susan M. - 19.03.13
Checked by: Casal, Christine Marie V. - 06.09.96

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