Scientists have recently discovered a species of fish that can live inside trees for several months at a time. It’s the mangrove killifish, a native of swamps in Florida, the Caribbean, and Latin America. The fish can temporarily alter its body to breathe air and retain nutrients if receding water levels force it to take refuge in a dry tree trunk or branch.

The killifish joins the walking catfish of Southeast Asia and the climbing perch of India as the only known fish that can breathe either air or water.

(Source: The Daily Mail)

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