Pearly rasbora (Rasboroides vaterifloris)

Scientific name: Rasboroides vaterifloris Deraniyagala, 1930

The Pearly rasbora (Rasboroides vaterifloris) is a freshwater fish of the family Cyprinidae. In the aquarium it needs water at 25–29°C (77–84°F). Native range: Asia, found only in the middle catchment area of Kalu to Nilwala basins, Sri Lanka.

Pearly rasbora care at a glance

Temperature: 25–29°C (77–84°F)

Biology

Occurs in shallow, cool, clear, quiet, heavily shaded forest streams, usually with a silty substrate and often in areas with a large amount of leaf debris in the water. Feeds on terrestrial insects (Diptera and Coleoptera, see ) and detritus. Males slimmer and brightly colored than females.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Rasboroides vaterifloris
Family: Cyprinidae (Minnows or carps)
Order: Cypriniformes (Carps)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 4.0
Environment: Freshwater;; pH range: 6.0 - 6.0; dH range: 5 - 8 benthopelagic
Climate: Tropical
Distribution: Asia: found only in the middle catchment area of Kalu to Nilwala basins, Sri Lanka.
Conservation status (IUCN): Lower Risk: conservation dependent (LR/cd)
Threat to humans: Harmless
Uses: Fisheries: of no interest; aquarium: commercial
Resilience: High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)