| Hint | Character Name | Tank Number |
| Basic fish | |
| First level consumer | |
| Eats stars | |
| Eats little fish | |
| Eats beetles | |
| Always pregnant | |
| Second level consumer | |
| The alien | |
| The predator | |
| The glutton | |
| The psycho killer | |
| The devastator | |
| The cyclops | |
| The twins | |
| The tiny alien | |
| The evil mastermind | |
| The snail | |
| The oyster | |
| The swordfish | |
| The momma fish | |
| The seahorse | |
| The jellyfish | |
| The skeleton fish | |
| | Hint | Character Name | Tank Number |
| The fiddler crab | |
| The mermaid | |
| The whale | |
| The sea turtle | |
| The mechanical fish | |
| The anglerfish | |
| The dolphin | |
| The hermit crab | |
| The ray | |
| The eel | |
| The shark | |
| The angelfish | |
| The tadpole | |
| The elephant | |
| The nose | |
| The sea serpent | |
| The penguin | |
| Produces obscure food | |
| Likes to eat things bigger than itself | |
| Large musical predator | |
| Pizza-eating rainbow predator | |
| Named after deaf composer | |
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