- Fish

- Dolphins

- Whales

- Sharks

- Rays

- Squid

- Octopus

- Lobster

- Crab

- Sea turtles

What doesn't swim beneath:

- Birds

- Mammals (except for dolphins and whales)

- Reptiles (except for sea turtles)

- Amphibians

- Insects

- Trees

- Rocks

- Buildings