A pike is a freshwater fish that lives in lakes ... Salmon, pike and tuna are all types of carnivorous fish. Cold-blooded – Animals which become colder or hotter depending on the temperature ...

Freshwater mussels are some of the planet's most fascinating ... relies on giant salamanders called “mudpuppies” to host its larvae. All other species have fish hosts. • Some mussels package their ...

This fish usually lives in groups, swimming very fast and hunting for prey all day long ... depending on the species. Pirarucu is the largest freshwater fish in the world. It inhabits the Amazon ...

In an Australian first, researchers have described a new species of 15-million-year-old fossilized freshwater fish, ...

A recent study co-authored by UW professor and freshwater ecologist Julian Olden found a direct connection between the introduction of invasive freshwater fish and the decline of beta diversity in ...

Many freshwater fish are highly endemic ... “A species in a tank is better than no species at all,” she says. “Because still, in the back of our hearts, we hope someday that they could ...