![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/a/ab/Praya_dubia.png/640px-Praya_dubia.png&w=640&q=50)
Praya dubia
Species of hydrozoan / From Wikipedia, the free encyclopedia
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Praya dubia, the giant siphonophore, lives in the mesopelagic zone to bathypelagic zone at 700 m (2,300 ft) to 1,000 m (3,300 ft) below sea level. It has been found off the coasts around the world, from Iceland in the North Atlantic to Chile in the South Pacific.[1]
Praya dubia | |
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Illustration of a giant siphonophore | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Cnidaria |
Class: | Hydrozoa |
Order: | Siphonophorae |
Family: | Prayidae |
Genus: | Praya |
Species: | P. dubia |
Binomial name | |
Praya dubia | |
Synonyms | |
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Praya dubia is a member of the order Siphonophorae within the class Hydrozoa. With a body length of up to 50 m (160 ft), it is the second-longest[citation needed] sea organism after the bootlace worm. Its length also rivals the blue whale, the sea's largest mammal, although Praya dubia is as thin as a broomstick.[2][3]
A siphonophore is not a single, multi-cellular organism, but a colony of tiny biological components called zooids, each having evolved with a specific function. Zooids cannot survive on their own,[4] relying on symbiosis in order for a complete Praya dubia specimen to survive.