Some aquarium buddies are much more interactive than you'd expect—they follow their owners around, beg for food, and even ...

The Southeastern Michigan Aquarium Society held an auction Saturday, where hobbyists spent hours bidding on colorful fish to ...

A network of volunteers helps the Pennsylvania Fish & Boat Commission stock trout before they come back to catch them.

Several of those tanks house his own personal favorite ... of Allen Park, is another big-time fish breeder and collector in Michigan. His focus, he said, is on the "niche, higher end" fish.

Now, Yaiullo works at the aquarium hand-feeding the nurse sharks and other fish as both he and the venue ... they were "probably 30 inches long, as big as a thigh at most," the senior Yaiullo ...

Luis Miguel Gutierrez Bringas, a sea-diving tour operator, captured video of a massive sunfish in its natural habitat off the coast of Mexico.

The 25-foot whale doesn’t seem sick or injured, but the hope is that the whale can soon find its way out to sea.

The researchers studied tissue from over 120 fish. They found that 50 to 60 percent of their diet came from ocean’s twilight ...

Researchers at the Shedd Aquarium are putting tiny trackers inside fish living in the Chicago River to study them and the ...