While there might not be as many freshwater species, Northern Arizona University researchers say it would still hurt areas like the Colorado River.

There were 203 freshwater records vs ... amazed at just how wild and beautiful and nearly alien some of these fish species look to me. Yes, I realize even though I’m a lifelong fisherman ...

Thousands of fish, crab and dragonfly species could become extinct in the coming decades—and many more could follow. A landmark assessment of the health of nearly 24,000 freshwater species found ...

Thousands of fish, crab and dragonfly species could become extinct in the coming decades – and many more could follow. A landmark assessment of the health of nearly 24,000 freshwater species ... like ...

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

South Florida has a climate perfect for warmwater fish and reptiles. Finding temperatures to their liking, it’s no surprise that so many exotic species have proliferated. Burmese pythons are ...

Fynbos fish, some dating back 20 million years, are disappearing from South Africa’s rivers. Conservationists warn that ...

Roughly 2,500 species of fish exist in the Amazon River, and about 100 different ... especially for freshwater species, these routes can be interrupted by dams and other habitat interruptions ...

Of the 23,496 freshwater animal species on the International Union for Conservation of Nature (IUCN) Red List – including fish, crabs, crayfish and even dragonflies – 4,294 were found to be at ...