It has razor-sharp teeth like a piranha's.
The peculiar beast that washed up on Sakhalin Island was thought to be a dolphin--until people remembered dolphins don't have fur.
We're just two lost souls/swimmin' in a fish bowl.
If you blurted out "cheetah!" you're only a little bit right.
Sunfish are the biggest bony fish in the sea, but this species managed to elude scientists for centuries.
The Guardian is designed to capture the hordes of lionfish devastating reefs and fish populations in the Atlantic Ocean.
A sustainable ecosystem small enough to fit in your kitchen.
The eel babies join wild boars, deer, foxes, lobsters, butterflies, whales, and their own parents in the magneto-orienteering club.
The “faceless cusk” is rarely seen … and it probably can’t see us.
The microbiome of youth could have anti-aging properties when transplanted into older individuals.
A swim bladder disorder was keeping the fish from swimming upright.
The turbulent waters divided a group of fish so thoroughly that they evolved into separate species.