In this guide, we’ll cover what you need to know when it comes to choosing the best freshwater aquarium fish. Our focus is on ...

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 ...

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 documentation of salmon-eating northern pike in Southcentral estuaries, a North American first, shows a new way for the invasive species to spread ...

Freshwater infographic. Sarah Streyle - Conservation International The species studied included fish, decapod crustaceans -- such as crabs, crayfishes and shrimps -- and odonates, such as ...