These fish all have distinctive yellow coloring on their tails, hence the name. On the other hand, yellowfin refers specifically to a type of tuna found worldwide in tropical and subtropical ...

A worker scooping baby clownfish at the breeding facility. AP Photo/Tatan Syuflana. The Moorish idol, a black-and-yellow striped fish with a mane-like dorsal fin spine, requires lots of space.

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

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

On a floodplain in the Democratic Republic of the Congo sat a shrinking pond, doomed to eventually dry up. Inside its murky waters swam a scaly blue creature with “large” yellow eyes. Something about ...

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. June 6 ...

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 ...