NASA has announced that it will award the Distinguished Public Service Medal, its highest honor, to astronomer Yervant Terzian, the Tisch Distinguished Professor Emeritus. Professor…
The lion’s mane jellyfish is the largest jellyfish of all known species. It is longer than Blue Whale (30 meters) in length. The largest recorded specimen found washed up on the shore of Massachusetts Bay in 1870, had a bell with a diameter of 2.3 meters (7 ft 6 in) and tentacles 37.0 m (121.4 ft) long. The largest jellyfish is also known as giant jellyfish or the hair jelly. The giant jellyfish you may find in English, Irish Sea, North Sea. It may also drift in to the south-western part of the Baltic Sea (where it cannot breed due to the low salinity).
Similar jellyfish – which may be the same species – are known to inhabit seas near Australia and New Zealand. Lion’s mane jellyfish have been observed below 42°N latitude for some time in the larger bays of the east coast of the United States.
These kind of animals cannot be found in the warm waters. In the open ocean, lion’s mane jellyfish act as floating oases for certain species, such as shrimp, medusafish, butterfish, harvestfish, and juvenile prowfish, providing both a reliable source of food and protection from predators.
The largest jellyfish always likes to live near the surface, approximately 20 m depth. They are more active in the late of summer and autumn, and like other jellyfish, lion’s manes are capable of both sexual reproductions in the medusa stage and asexual reproduction in the polyp stage. The female jellyfish carries its fertilized eggs in its tentacle, where the eggs grow into larva.
One of the important and interting facts that we would like to inform you is that jellyfish species don’t have brain, but don’t get surprised, instead they have nerve nets which sense changes in the environment and coordinate the animal’s responses. So, they are very unique and interesting for human beings.
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