It pulsed like a tiny heartbeat — a clear, quarter-sized jellyfish rising through the calm water of Taft Lake, sunlight ...

“Invasive” is a negative word. It refers to the unwanted, the obtrusive, and the undesirable. It’s fitting, no doubt, when talking about plants, animals, and fish that aren’t native to the U.S., ...

New study finds some of the oldest animals in the world living in a place you wouldn't expect: fishes in the Arizona desert. A recent study found some of the oldest animals in the world living in a ...

If you asked people why they fish, it's probably for relaxation, enjoyment or to get enough fillets for a fish fry. Unless you're my mom, you wouldn't say "because fish are pretty." But some of them ...

Minnesota DNR says there are only a handful of verified sightings of this rare species of freshwater jellyfish in Minnesota.

A new WWF report is sounding the alarm on Africa’s freshwater fish: one in four fish species it assessed is at risk of extinction. These declines threaten not only biodiversity, but also the food ...