There are at least 40 known species of flying fish. Beyond their useful pectoral fins, all have unevenly forked tails, with the lower lobe longer than the upper lobe. Many species have enlarged ...

Its teeth are designed not so much to grab or slice fish but to prevent them from escaping ... brain has clearly done nothing to hinder the species' long-term survival. Previously known only ...

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

This species, with its many varieties ... watch out for infection and diseases such as fin rot, dropsy, and swim bladder disease. While Betta fish can tolerate dirty water for a short period ...