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Although it is similar to the lion's mane jellyfish, the blue jellyfish is not as large, and has a translucent bell. [1] C. lamarckii has a blue or yellow tone and grows to approximately 10 to 20 cm (3.9 to 7.9 in) across the bell, but specimens can grow to 30 cm (12 in). [2]
The polyps resemble the tentacles of jellyfish. [10] [11] [full citation needed] Each strand has numerous branchlets, each of the knobs of stinging cells called nematocysts terminates at the distal end. The blue button has a single mouth located beneath the float, which is used for both the intake of prey and the expulsion of wastes.
The bluebottle, Pacific man o' war or Indo-Pacific Portuguese man o' war, distinguished by a smaller float and a single long fishing tentacle, was originally considered a separate species in the same genus (P. utriculus). The name was synonymized with P. physalis in 2007, and it is now considered a regional form of the same species. [13] [14]
Porpita is genus of hydrozoans in the family Porpitidae. It has two species recognized and is the type genus of its family. [1]Porpita is in the phylum Cnidaria.Similar to the well-known Portuguese Man-of-War, species in this genus consist mainly of colonies of hydrozoans, linked to a biological float, keeping them near the surface.
The increasingly common giant Nomura's jellyfish, Nemopilema nomurai, found in some, but not all years in the waters of Japan, Korea and China in summer and autumn is another candidate for "largest jellyfish", in terms of diameter and weight, since the largest Nomura's jellyfish in late autumn can reach 2 m (6 ft 7 in) in bell (body) diameter ...
Incredibly well-preserved fossils of the oldest swimming jellyfish, which lived 505 million years ago, were discovered at a famed fossil site in Canada.
Specifically, the blue bottle fly Calliphora vomitoria; The Portuguese man o' war (Physalia utriculus), stinging marine siphonophores resembling jellyfish and known as bluebottles in Australia, South Africa and New Zealand; Blue ant, a species of large solitary parasitic wasp; Centaurea cyanus, the cornflower
Catostylus mosaicus is also known as the jelly blubber or blue blubber jellyfish. [1] The jelly blubber is distinguishable by its color, which ranges from light blue to a dark blue or purple, and its large (250-300mm [ 2 ] ), rounded bell which pulses in a staccato rhythm. [ 1 ]