Black buntingi (Oryzias nigrimas)

Scientific name: Oryzias nigrimas Kottelat, 1990

The Black buntingi (Oryzias nigrimas) is a freshwater fish of the family Adrianichthyidae. In the aquarium it needs water at 22–25°C (72–77°F). Native range: Asia, Indonesia.

Black buntingi care at a glance

Temperature: 22–25°C (72–77°F)

Biology

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.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Oryzias nigrimas
Family: Adrianichthyidae (Ricefishes)
Order: Beloniformes (Needle fishes)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 4.7
Environment: Freshwater;; pH range: 7.5 - 8.5; dH range: ? - 18 benthopelagic; non-migratory
Climate: Tropical
Distribution: Asia: Indonesia.
Conservation status (IUCN): Vulnerable (VU) (A2e, D2)
Threat to humans: Harmless
Uses: Aquarium: commercial
Resilience: Low, minimum population doubling time 4.5 - 14 years (Assuming fec