fins

Although people like to think whales are fish, they are also called whales, but they are not actually fish, but mammals.

The pompano is immobile on a rock to catch its prey and has a specially modified fin that looks like an elephant's foot, allowing it to walk on the bottom of the sea.

Genetic tools that animals use to form fins and limbs are similar to genetic tools that control bone growth in sharks, according to a new study.

On September 12,