What are the names of all sea creatures?

There are thousands of sea creatures and it would be impractical to list all of their names here. Here are some common examples of sea creatures:

- Fish:

- Tuna

- Salmon

- Shark

- Swordfish

- Cod

- Flounder

- Tilapia

- Trout

- Mahi-mahi

- Mackerel

- Mammals:

- Dolphin

- Whale

- Seal

- Sea lion

- Walrus

- Manatee

- Porpoise

- Crustaceans:

- Lobster

- Crab

- Shrimp

- Prawn

- Krill

- Barnacle

- Mollusks:

- Squid

- Octopus

- Cuttlefish

- Clam

- Oyster

- Mussel

- Scallop

- Sea turtles:

- Green sea turtle

- Hawksbill sea turtle

- Kemp's ridley sea turtle

- Leatherback sea turtle

- Loggerhead sea turtle

- Echinoderms:

- Starfish

- Sea urchin

- Sand dollar

- Sea cucumber

- Cnidarians:

- Jellyfish

- Coral

- Sea anemone