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Cyprinidae
topmouth gudgeon
Pseudorasbora parva
Twelve Point Five Centimeters Carp of Asian Waters
The stone moroko (Pseudorasbora parva), also known as the topmouth gudgeon, is a species of freshwater ray-finned fish belonging to the family Gobionidae, the gudgeons. This species is native to Asia, but has been introduced and is now considered an invasive species in Europe and North America. The fish's size is rarely above 8 cm, and usually 2 to 7.5 cm (0.79 to 2.95 in) long.
- Class
- Teleosts
- Family
- Cyprinidae
- Genus
- Pseudorasbora
- Maximum length
- 12.5 cm
- Body shape
- fusiform
- Distribution
- Asia: Amur to Zhujiang [Pearl River] drainages in Siberia, Korea and China (Ref. 59043 ). Introduced to various areas in Europe and Asia. Several countries report adverse ecological impact after introduction (Ref. 1739 ).
- Conservation status
- LCLeast Concern

