The first new species was named Mylochromis rotundus after its “rounded” body and snout, the study said. Its “compressed” body can reach about 4 inches in length. It has spiky scales, “large” eyes and ...

Like livebearers, bristlenoses breed fast and are regularly offered to shops in more numbers than they sell (and they can ...

Six critically endangered Mekong giant catfish — one of the largest and rarest freshwater fish in the world — were caught and ...

Leaky fish tanks require immediate attention, even if the problem is just a tiny leak coming from the aquarium’s seams or ...

The Mekong giant salmon carp, a huge fish native to Cambodia, Laos, and Thailand, was at one point thought to be extinct.

Researchers have discovered a rare example of "great fish parenting" with a common coral reef species found to actively protect their young by eating parasites.

Small seabirds skim the open ocean at night, patting their legs on the surface as they hunt for small fish. Now, for the first time in more than 100 years, endangered Polynesian storm petrels ...

Researchers have discovered a rare example of 'great fish parenting' with a common coral reef species found to actively protect their young by eating parasites.

The Shortnose Cisco was thought wiped out by invasive species and overfishing decades ago from where it was known to live, in Lakes Michigan and Huron.

A new USC Stem Cell study published in the Proceedings of the National Academy of Sciences has identified key gene regulators ...

A new study has identified key gene regulators that enable some deafened animals -- including fish and lizards -- to naturally regenerate their hearing. The findings could guide future efforts to ...

The world's oceans represent a vast and largely untapped source of biodiversity, offering a high probability for the ...