7 animals that can survive in water forever

Octopuses are soft-bodied marine creatures with incredible intelligence, spending their lives underwater in coral reefs.

Seahorses are small marine fish known for their upright posture and unique prehensile tails, which help them anchor to underwater vegetation.

Orcas, or killer whales, are apex predators that live and hunt in water, traveling in pods for social bonding and survival.

Dolphins are highly intelligent marine mammals that thrive in water, using echolocation to navigate and hunt.

Fish, from small guppies to massive tuna, are adapted to live their entire lives underwater, using gills to extract oxygen from water.

Starfish, or sea stars, are echinoderms that live entirely underwater, moving slowly across the ocean floor using their tube-like feet.

Whales are marine mammals that spend their whole lives in oceans, surfacing only to breathe through their blowholes.