Stone Moroko

stone moroko

(Pseudorasbora parva)
*Not detected in Michigan*
Prohibited in Michigan

Report this species:

Use the Midwest Invasive Species Information Network (MISIN) online reporting tool 

- Or - download the MISIN smartphone app and report from your phone -



  • Yellowish-green to silver body color
  • Approximately 8 cm long
  • Superior and transverse mouth
  • Pale yellow fins, dorsal fin has darker stripe
  • Young individuals have a dark stripe along the side

stone moroko
By Seotaro, (cleaned up and denoised by Estrilda, and edited by Laitche CC BY-SA 3.0

Habitat: Prefer well vegetated ponds, small lakes, and small channels

Diet: Small insects, plant material, fish, fish eggs, and planktonic crustaceans

Native Range: East Asia

Local Concern: Stone moroko compete with farmed fish species for food, consume native juvenile fishes, act as a vector for infectious fish diseases, and contribute to eutrophic conditions.

Potential Means of Introduction: Aquaculture release


Stone Moroko Invasive Species Alert (printable PDF)