WASHINGTON (Reuters) - Primitive fish already may have possessed the genetic wiring needed to grow hands and feet well before the appearance of the first animals with limbs roughly 365 million years ...

The greatest threat the fish now face is the dams, which will probably lead to their demise, said Aaron Jackson, who heads the Confederated Tribes of the Umatilla Reservation efforts to restore ...

Oklahoma lakes and rivers are home to a rare and primitive fish that produces eggs that are worth serious money. The paddlefish is believed to have been around up to 400 million years ago, that's ...