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The Irukandji jellyfish (/ ɪr ə ˈ k æ n dʒ i / irr-ə-KAN-jee) are any of several similar, extremely venomous species of rare box jellyfish. With a very small adult size of about a cubic centimetre (1 cm 3 or 0.061 in 3 ), they are both one of the smallest and one of the most venomous jellyfish in the world.
Stygiomedusa gigantea, [a] commonly known as the giant phantom jelly, is the only species in the monotypic genus of deep sea jellyfish, Stygiomedusa. It is in the Ulmaridae family . [ 2 ] With only around 110 sightings in 110 years, it is a jellyfish that is rarely seen, but believed to be widespread throughout the world, with the exception of ...
Chirodectes illustration of Chirodectes maculatus Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Cnidaria Class: Cubozoa Order: Chirodropida Family: Chirodropidae Genus: Chirodectes Gershwin, 2006 Type species Chirodectes maculatus (Cornelius, Fenner & Hore, 2005) Chirodectes is a very rare, monospecific genus of box jellyfish in the family Chirodropidae. The first and ...
The new species of jellyfish is considered “relatively large,” its body reaching just over 1 inch in height and its tentacles measuring over 2 inches in length, the study said.
Stauromedusae are the stalked jellyfishes.They are the sole living members of the class Staurozoa and belong to the medusozoa subphylum of Cnidaria.They are unique among medusa jellyfish in that they do not have an alternation of polyp and medusa life cycle phases, but are instead interpreted as an attached medusa stage, with a lifestyle more resembling that of polypoid forms.
The Deepstaria enigmatica has a wide, thin bell (up to 60 cm or 2 ft), [1] transparent in appearance, which undulates as the jellyfish moves. They are usually found in Antarctic and near-Antarctic seas, but have been spotted in waters near the United Kingdom and Gulf of Mexico, at depths of 600–1,750 metres (1,970–5,740 ft).
Morbakka virulenta is a species of box jellyfish that is found in waters near the islands of Japan. The species was originally described in the genus Tamoya by Kamakichi Kishinouye in 1910. However, unlike other species of that genus, this jellyfish did not have the vertical gastric phacellae (gastric filaments used for digestion) which protect ...
Treasure trove of rare fossils While fossilized polyps have been found dating back 560 million years, it has been more difficult for researchers to trace the origins of free-swimming jellyfish.