Matano medaka (Oryzias matanensis)

Scientific name: Oryzias matanensis Aurich, 1935

The Matano medaka (Oryzias matanensis) 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.

Matano medaka care at a glance

Temperature: 22–25°C (72–77°F)

Biology

Dorsal soft rays (total): 8-9; Anal soft rays: 20 - 25. Distinguished from all other members of the genus by the combination of the following characters: 41-47 vertical rows of scales; 8-9 dorsal rays; 20-25 anal rays; and the distinctive color pattern of males.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Oryzias matanensis
Family: Adrianichthyidae (Ricefishes)
Order: Beloniformes (Needle fishes)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 5.5
Common length: 4.5
Environment: Freshwater;; pH range: 7.5 - 8.5 benthopelagic; non-migratory
Climate: Tropical
Distribution: Asia: Indonesia.
Conservation status (IUCN): Vulnerable (VU) (D2)
Threat to humans: Harmless
Uses: Aquarium: commercial
Resilience: Low, minimum population doubling time 4.5 - 14 years (Assuming fec