Is there a sea animal that has legs?

Many animals living in the sea have legs, including starfish, octopuses, and crustaceans like lobsters and crabs. There also lungfish, sea fleas, and, though it's not their primary habitat, saltwater crocodiles. read more

Many animals living in the sea have legs, including starfish, octopuses, and crustaceans like lobsters and crabs. There also lungfish, sea fleas, and, though it’s not their primary habitat, saltwater crocodiles. read more

The largest group of two-legged animal are birds, but there are a number of bipedal mammals as well, including many primates, kangaroos, wallabies and kangaroo rats. Many dinosaurs were bipedal, and several lizards can become bipedal when sprinting, including the green basilisk lizard, which can actually sprint across water for short bursts, though their normal method of locomotion is quadrupedal. read more

There is an order in phylum Anthropoda called"decapoda" which solely includes 10-legged animals. This mainly includes crabs, lobsters, and shrimps. read more