There is more than sharing going on in the ocean.
Some species depend on one another. Immune to the paralyzing venom
of the sea anemone, clownfish hide in her tentacles.
The marine iguana is an iguana located only on the Galápagos Islands that has the ability, unique among modern lizards, to live and forage in the sea, making it a marine reptile. The iguana can dive over 30 ft into the water.