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 ...

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

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

The water clarity allows you to look into the water and see the stony bottom, and a small, striped fish darting between the ...