Researchers classify the coelacanth under the group Sarcopterygii, which include the earliest ancestors of amphibians, reptiles, and mammals.

Aquarists use antibiotics to treat bacterial infections, such as fin rot, in fish. For the best chance of helping fish ...

A skeletal, mermaid-like creation appeared on a local beach in Kent, England, on March 10, leaving beachgoers baffled, ...

Sharks are becoming a popular feature in home aquariums, but there’s a clear distinction between freshwater and saltwater ...

Australian scientists have discovered an ancient freshwater fish fossil with its stomach contents remarkably preserved. In a ...