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Watch as I train my baby MBU puffer to hunt and eat live crayfish a key step in developing natural feeding instincts. From hesitant nibbles to confident strikes, it’s a journey of growth and predator ...

About 50 Sonoyta pupfish were released into an artificial stream inside the University of Arizona's Biosphere 2 on Friday in ...

A team of scientists from Chile and the United States discovered dozens of red cusk-eels, fish prized in Chilean seafood ...

New research finds that ocean-dwelling fish entered freshwater environments on several occasions, evolving enhanced hearing abilities in the process. When ancient marine fish transitioned from ...

The Tennessee River, one of the most important waterways in the South, sustains hundreds of species in the water, air, and ...

Imagine you are a kind of fish called a goby, part of a huge family of more than 2,000 species. Maybe you're of average size ...