With 84 species currently described, Characidium may be the most diverse fish genus known to science. This is the conclusion reached by Brazilian scientists after analyzing more than 4,400 ...

A newly discovered golden cave fish in southwestern China is giving scientists an unprecedented look at evolution in action.

Scientists in China have discovered a rare golden scaleless cave fish, offering new insights into how species adapt to ...

It’s a highly enigmatic tiny “fish” from a remote location close ... Our paper describes a new species of the genus Palaeospondylus, only the second known. Remarkably, for the last 135 ...

The fish belong to a genus called Acrossocheilus, a small- to medium-sized species found across Laos, Vietnam and southern ...

Proceedings of the Academy of Natural Sciences of Philadelphia, Vol. 61, No. 2 (Apr. - Sep., 1909), pp. 406-408 (3 pages) ...

The scaled fish with barb-like growths at the base of its body turned ... This new loach species is the only known member of the Yunnanilus genus to have these growths, which serve as a reproductive ...