Invertebrates

What is an Invertebrate?

Invertebrates (meaning “without joint”) are animals without a spine or backbone. In fact, they have no bones at all! Slugs, jellyfish, crabs, and many more belong to this category.

California Spiny Lobster

Spiny Lobster California Spiny Lobster Panulirus Interruptus California spiny lobster is known for its lack of large claws on its ...
Blueband hermit crab spiral shell, scientific name pagurus samuelis.

Hermit Crabs

Hermit Crabs Blueband Hermit Crabs Pagurus Samuelis Hermit crabs are small, shy crustaceans that protect their soft bodies by living ...
Moon jellies at Central Coast Aquarium scientific name aurelia aurita

Moon Jellies

Jellyfish Moon Jellies Aurelia Aurita Moon jellies are translucent jellyfish with short tentacles and four noticeable round reproductive organs (gonads) ...

Octopus

Two spot octopus, scientific name: octopus bimaculoides ...
Purple seas urchins

Purple Sea Urchins

Sea Urchins Purple Sea Urchin Strongylocentrotus Purpuratus Sea Urchins are spiny round creatures found all around the world. On the ...

Red Abalone

The California State Marine Mollusk, the red abalone, is a large marine mollusk part of the class Gastropoda (latin for ...

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LeopardShark2
Elasmobranchs
Copper rockfish sebastes caurinus
Osteichthyes