The body of cherry barb fish is torpedo-shaped, and they have a thin abdomen with six brightly colored red fins. These fish are timid yet social and do well in community aquariums. Cherry barbs ...

Adorable footage of one of the world's rarest and most unusual ocean creatures has left thousands of Aussies swooning. In the ...

NAIROBI ― A new killifish species, scientifically known as Nothobranchius sylvaticus, has been documented in seasonal swamps ...

Owners should also 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, long exposure can cause ...

The fish belong to a genus called Acrossocheilus ... including “strikingly orange-red” pelvic fins on males and more prominent vertical bars on females. The species is sexually dimorphic ...

Its teeth are designed not so much to grab or slice fish but to prevent them from escaping ... these fishes' paired lobe fins are supported by the same basic bones as your arms and legs.

Red-colored sediments ... The second group, the bony fish, were covered in scales and had maneuverable fins and gas-filled swim bladders for controlling their buoyancy. Most modern fishes are ...