Extended distribution of the invasive Sucker catfish Pterygoplichthys pardalis (Pisces: Loricariidae) to Cauvery river system of Peninsular India.

Murugan Muralidharan, Kaliappan Manikandan, Muthukaruppan Gobi

Abstract

This report provides the first record of the exotic sucker fish P. pardalis from the Cauvery river system, Tamilnadu state, India. Information on the assumed presence of this invasive species based on sightings of a hitherto unknown species by local people and fishermen in stretches of Cauvery river have been confirmed by our study. Sailfin sucker fishes are popular among pet traders and aquarists in south east Asian countries and have been regarded as invaders worldwide. Occurrence of P. pardalis in newer habitats due to its potential invasion in the South Indian waters issues threat to native fauna.  

Keywords

Sailfin fish, Pterygoplichthys, exotic-species, Cauvery river, India

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