Have you ever thought about adding an aquarium to your home? They can be a fantastic addition to any household or worksp ...

I write about the world of biology. Native to Southeast Asia, a tiny freshwater fish packs a surprising punch with its loud calls. ... [+] Today, ichthyologists have uncovered the secret behind ...

The giant freshwater stingray may be the world’s largest freshwater fish. It’s also cloaked in mystery. No one is sure how many giant stingrays are left, which habitats they prefer ...

A 300kg (661lb) stingray caught in the Mekong river in Cambodia is the biggest freshwater fish ever documented, scientists say. It unseated the previous record-holder, a 646lb (293kg) Mekong giant ...

A report has warned of a "catastrophic" decline in freshwater fish, with nearly a third threatened by extinction. Conservation groups said 80 species were known to have gone extinct, 16 in the ...