Granrojo

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Granrojo

Scientific classification

Kingdom:	Animalia
Phylum:	Cnidaria
Class:	Scyphozoa
Order:	Scyphomedusae
Family:	Ulmaridae
Genus:	Tiburonia
Species:	T. granrojo

Binomial name

Tiburonia granrojo
Matsumoto, 2003

Granrojo or big red, Tiburonia granrojo, is a recently discovered jellyfish of the family Ulmaridae, the only member of its genus. It is one of largest sea jellies and unusual in a number of ways. Granrojo live at ocean depths of between 2,000 and 4,800 feet and have been found across the Pacific Ocean in the Sea of Cortez, Monterey Bay, Hawaii and Japan. They grow to between 60 and 90 cm (2 to 3 feet) in diameter and have thick fleshy arms in place of the long tentacles found in most jellies.

To date, only 23 members of the species have been found and only one, a small specimen (under 6 inches) has been retrieved for further study. Several high resolution videos of granrojo have been taken by remote controlled submarines. Its discovery was announced by George Matsumoto in Marine Biology in 2003.