Guwahati, Feb. 11 -- A fisherman caught a rare fish in the Bahini River within the Guwahati city's Basistha area on Monday, officials said.

The fish was identified as a crocodile catfish ( Bagarius suchus), a species of sisorid catfish native to Laos, Cambodia, and Thailand, where it occurs in the Mekong and Chao Phraya river basins.

This species reaches a maximum length of 70 centimeters (28 inches) SL (standard length).

The discovery of the crocodile catfish has sparked concerns about potential ecological damage. This predatory species, known to feed on smaller fish and larvae, poses a significant threat to the river's native fish populations and overall biodiversity.

Experts warn that the crocodile catfish could disrupt the natural...