Description

Dorsal soft rays (total): 8 - 11; Anal soft rays: 21 - 25. Distinguished from all other species of Oryzias by the unique black nuptial coloration of the adults males. Differs further by having slightly emarginate caudal fin (shared only with O. matanensis which has 40-47 scales in lateral row and O. orthognathus which has 45-54 scales in lateral row), 34-37 scales in lateral row, 8-11 dorsal rays and 21-25 anal rays (Ref. 26747).

Common Names

No common names available.

Taxonomic Hierarchy

Kingdom: Animalia

Phylum: Chordata

Class: Teleostei

Order: Beloniformes

Family: Adrianichthyidae

Genus: Oryzias

Species: Oryzias nigrimas Kottelat, 1990

Climate Zone

Location

Biology

Non-annual breeder. Is difficult to maintain in aquarium (Ref. 27139).

Habitat

benthopelagic