List of fictional invertebrates

This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources.

Following is a list of fictional invertebrates:

Arthropods

• List of fictional arthropods (insects, arachnids and crustaceans)

Echinoderms (starfish, sea urchins, sea cucumbers, etc.)

• Patrick Star, a starfish from the animated series SpongeBob SquarePants

Mollusks

Cephalopods (octopuses, squids)

• Squiddly Diddly, an animated squid from The Atom Ant/Secret Squirrel Show
• Squidward Tentacles, an octopus from the animated series SpongeBob SquarePants

Snails and slugs

• Gary the Snail, a sea snail from SpongeBob SquarePants
• Marcel, title character in Marcel the Shell with Shoes On
• Nana Connie, Marcel's Italian grandmother
• Peek a Boo, a snail from Suzy's Zoo
• Sid the Slug

Others

• SpongeBob SquarePants, a sponge in SpongeBob SquarePants
• Mr. Cucumber, a Sea cucumber purple in Yaiba

Parasites

• List of fictional parasites

Worms

• List of fictional worms