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 ...

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 ...