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What are invertebrates?

Invertebrates are the most abundant creatures on the planet — comprising more than 97% of all known animal species. By definition, an invertebrate is an animal without a backbone. That includes jellyfish, sponges, worms, snails, bees, lobsters, and spiders. Below is the list of invertebrates on exhibit at the Zoo or shown through Animals & You. Please click the links to view their fact sheets.

• Cockroach, Madagascar hissing
• Millipede
• Scorpion, desert hairy
• Spider, false black widow
• Tarantula, Chilean rose
• Tarantula, desert
• Tarantula, pink-toed
• Walkingstick, Vietnamese

Please click here to see an alphabetical list of all the animals on exhibit at the Zoo.