A report on the occurrence of two exotic cold-water fishes in the natural water bodies of Arunachal Pradesh-Northeast India

The introduction of aquatic exotic species without proper background research especially in the biodiversity-rich area is a threat to our native fish diversity since the exotic species are responsible in reducing native fish populations through predation, displacement, and food competition and also may cause genetic erosion of indigenous species by producing hybrids. The present communication is about the report of two exotic salmon which are occurred out of their culture areas in the Arunachal Pradesh state.