(RELATED: How To Pull Off Something Called An ‘Invisible Jellyfish’) “Just a gigantic, scary jellyfish that you would not want to run into in the water. They are the largest species of jellyfish in the world and have tentacles that can grow longer than 100 feet. Danielle Callow … 6. Chris Strout is the owner of Acadia Stand Up Paddle Boarding. Suzanne Beaulieu came across this smaller lion’s mane jellyfish in Saco on Friday. var val = 0; Jellyfish and sea jellies are the informal common names given to the medusa-phase of certain gelatinous members of the subphylum Medusozoa, a major part of the phylum Cnidaria.Jellyfish are mainly free-swimming marine animals with umbrella-shaped bells and trailing tentacles, although a few are anchored to the seabed by … This height can be compared to that of two blue whales. These jellyfish got their name because they literally look like a floating lion’s mane. They have a nasty sting and in some people can cause anaphylactic shock. PORTLAND, Maine — By now, you may have seen the stunning images of lion's mane jellyfish in the water and on Maine's coastline. Create a commenting profile by providing an email address, password and display name. From them develops a second form called the hydroid. This was amazing to the people there and they documented the details including drawings. Jellyfish have a transparent, gelatinous body and an umbrella-shaped bell called a medusa. Jellyfish larvae season is generally from March through August. Since 2015, these giants of the Arctic have occasionally appeared along the Maine coastline; however, their dimension has never been as large as the monsters we are seeing today. "use strict"; The size of this species, also known as the giant jellyfish, has varied over the years. All the species are mostly found in the Atlantic Ocean and Mediterranean Sea. “I’ve never seen them.”. In 1870 one of them came to shore in Massachusetts and had a diameter of more than 7 feet. They are here by the tens-of-thousands. Lion’s Mane jellyfish are some of the longest animals on the planet, Peter Gawne, an assistant curator at the New England Aquarium, told the Boston Globe. Each nemat… 28 Tyson Drive There are several types of jellyfish in waters around Hawaii including the box jelly, moon jelly, and spotted jelly. var date = new Date(); var mediaContent = "media\\:content,content"; Lion’s Mane Jellyfish (Cyanea capillata) For sure the highly venomous Lion’s Mane jellyfish – a species which in recent years has become more common in Irish waters – is a red flag for swimming. The lion's mane jellyfish, also known as the giant jellyfish, arctic red jellyfish, or the hair jelly, is one of the largest known species of jellyfish.Its range is confined to cold, boreal waters of the Arctic, northern Atlantic, and northern Pacific Oceans.It is common in the English Channel, Irish Sea, North Sea, and in western Scandinavian waters south to Kattegat and Øresund. Cut me a break!. It was first found in England in 1880; and since 1908, it has been reported from about thirty of the United States. Mark Conlin / Oxford Scientific / Getty Images. Tentacles with stinging cells hang from the bell. //