Invertebrates

Invertebrates are animals without a backbone. This diverse grouping includes insects, molluscs, crustaceans, arachnids and many others with different body forms and lifestyles.

Which animals are invertebrates?

Examples include bees, butterflies, ants, scorpions, tarantulas, snails, octopuses, crabs, crayfish, lobsters, jellyfish, sea urchins and sea stars. Their variety illustrates the breadth of animal life without a backbone.