Rosefin rasbora (Rasbora dusonensis)

Scientific name: Rasbora dusonensis Bleeker, 1851

The Rosefin rasbora (Rasbora dusonensis) is a freshwater fish of the family Cyprinidae. In the aquarium it needs water at 23–26°C (73–79°F). Native range: Asia, Mekong and Chao Phraya basins; Malay Peninsula, Borneo, Sumatra.

Rosefin rasbora care at a glance

Temperature: 23–26°C (73–79°F)

Biology

Dorsal soft rays (total): 9; Anal soft rays: 8. A dark grey midlateral stripe, more intense posteriorly, not extending onto the caudal fin; dorsal-fin origin closer to the eye than to the caudal-fin base; 3 scale rows between the lateral line and the midventral row; caudal fin usually with a black posterior margin.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Rasbora dusonensis
Family: Cyprinidae (Minnows or carps)
Order: Cypriniformes (Carps)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 12.0
Environment: Freshwater;; pH range: 5.3 - 5.7; dH range: 2 - 3 benthopelagic
Climate: Tropical
Distribution: Asia: Mekong and Chao Phraya basins; Malay Peninsula, Borneo, Sumatra.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Aquarium: commercial
Resilience: High, minimum population doubling time less than 15 months (K=0.38-0.69)