While yellowtail and yellowfin tuna have similar sounding names and are both highly prized, they're different types of fish with unique characteristics.

In a river of western Brazil, an “armored” creature with bumpy lips swam through the “dark tea-colored” waters. Something ...

PENYABANGAN, Indonesia — It took a broken air conditioner for Tom Bowling to figure out — after nearly eight months of failure — how to breed the coveted pink-yellow tropical fish known as ...

Tetras are one of the most popular and diverse types of freshwater aquarium fish. With more than 150 unique types of tetra ...

Near a river in the Democratic Republic of the Congo sat a temporary pond, doomed to dry up eventually. Inside swam a “rainbow” creature with “large” yellow eyes. Something about it caught the ...

Mysterious breeding habits of aquarium fish vex experts Experts around the world are tinkering over water temperature, futzing with lights and trying different mixes of microscopic food particles ...

It took a broken air conditioner for Tom Bowling to figure out — after nearly eight months of failure — how to breed the coveted pink-yellow tropical fish known as blotched anthias. Bowling, an ...