One of the 'world's rarest' fish species that was presumed to be extinct, the Chel snakehead, was rediscovered in the town of Kalimpong in West Bengal in 2024.

It's a new species →Creature with spike-covered genitalia found 'ambushing' in Thailand ... snakehead’s head is “wedge-shaped” with “bulging” cheeks, researchers said. Smaller fish ...

In summer, and in warmer conditions—which necessitates more oxygen—the fish solely breathes air though its suprabranchial organ. The northern snakehead is not alone in this ability ...