Description
Although capable of attaining a bell diameter of 2.5 metres (8.2 ft), these jellyfish can vary greatly in size, those found in lower latitudes are much smaller than their far northern counterparts with bells about 50 centimetres (20 in) in diameter. The tentacles of larger specimens may trail as long as 30 metres (98 ft) or more. These extremely sticky tentacles are grouped into eight clusters, each cluster containing over 100 tentacles, arranged in a series of rows.
At 120 feet (37 m) in length, the largest known specimen was longer than a blue whale and is considered one of the longest known animals in the world. In 1864, a Bootlace worm (Lineus longissimus) was found washed up on a Scottish shore that was 180 feet (55 m). But because bootlace worms can easily stretch to several times their natural length, it is possible the worm did not actually grow to be that length.
The bell is divided into eight lobes, giving it the appearance of an eight-pointed star. An ostentatiously tangled arrangement of colorful arms emanates from the centre of the bell, much shorter than the silvery, thin tentacles which emanate from the bell's subumbrella.
Size also dictates coloration—larger specimens are a vivid crimson to dark purple while smaller specimens grade to a lighter orange or tan. These jellyfish are named for their showy, trailing tentacles reminiscent of a lion's mane.
Read more about this topic: Lion's Mane Jellyfish
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