Longest invertebrate

Last updated: October 11, 2017 at 20:28 pm

The siphonophore (Praya dubia) may be the world’s longest animal growing to a length of 50 m (160 ft) or more. This drifting colonial cnidarian delivers a powerful sting and is bioluminescent. Cnidarian (stinging creatures) include anemones, corals, hydroids, and jellyfish. The phylum Cnidaria contains approximately 9,000 living species worldwide. All cnidarians have tentacles with stinging cells.

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