Animal type
Invertebrates
Invertebrates are animals without a backbone. This page gathers the ones that are not insects or arachnids, such as jellyfish, sea stars and octopuses.
All 8 invertebrates in the library, from the isopod to the yabby. Most of them live in the ocean and Oceania.
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Isopod
Isopoda (order, over 10,000 species)
Lifespan: Varies widely by species
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Jellyfish
Scyphozoa (true jellyfish, about 200 species)
Lives a few months to a year as an adult
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Nudibranch
Nudibranchia (order, about 3,000 species)
Lives a few weeks to about a year
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Octopus
Octopoda (order, about 300 species)
Lives 1-3 years; up to about 5
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Quahog
Mercenaria mercenaria (hard clam); Arctica islandica (ocean quahog)
Lifespan: Decades for hard clams; centuries for ocean quahogs, one of which reached 507 years
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Starfish
Asteroidea (class, about 2,000 species)
Lives 5-10 years; some over 30
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Urchin
Echinoidea
Lives about 20 years in many species; red sea urchins can exceed 100
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Yabby
Cherax destructor
Lifespan: Not well documented in the wild
No invertebrates match those filters.
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