Stone moroko (Pseudorasbora parva)

Scientific name: Pseudorasbora parva Temminck & Schlegel, 1846

The Stone moroko (Pseudorasbora parva) is a freshwater fish of the family Cyprinidae. In the aquarium it needs water at 5–22°C (41–72°F).

Stone moroko care at a glance

Temperature: 5–22°C (41–72°F)

Biology

Found in a wide variety of habitats, most abundantly in well vegetated small channels, ponds and small lakes. Adults occur in cool running water. Feed on small insects, fish and fish eggs, and plant material. Usually breed in habitats with still or very slow-flowing water. Regarded as pest which competes with the fry of other species due to its high reproductive rate.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Pseudorasbora parva
Family: Cyprinidae (Minnows or carps)
Order: Cypriniformes (Carps)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 11.0
Common length: 8.0
Environment: Freshwater;; pH range: ? - 7.0; dH range: ? - 15 benthopelagic
Climate: Temperate
Distribution: Asia: Amur to Zhujiang [Pearl River] drainages in Siberia, Korea and China. Introduced to various areas in Europe and Asia. Several countries report adverse ecological impact after introduction.
Conservation status (IUCN): Not Evaluated
Threat to humans: Potential pest
Uses: Fisheries: of no interest; aquarium: commercial
Resilience: Medium, minimum population doubling time 1.4 - 4.4 years (tm=1; tmax=5; K=0.24; Fec=1,000)