The tentacles wrapped around my head and shoulders as I pierced the surface of the warm water. In the meantime, I suggest avoiding swimming on windward shores, where jellies tend to traffic jam. The West Coast sea nettle (Chrysaora fuscescens), also known as the Pacific sea nettle, is a type of Scyphozoa which lives in the Pacific Ocean.For humans its sting is usually irritating, but rarely dangerous. Japanese Sea Nettle (Chrysaora pacifica) Overview. Forgiveness is a funny thing. « The scientific name for this jellyfish comes from Chrysaor, the god of light and son of Poseidon and Medusa. There the larvae grow into polyps. Sea nettles eat zooplankton and small fish, worms, and crustaceans. The northern sea nettle can grow to up to 30 cm in diameter with 6 m long tentacles. Sea Nettles Probability of Encounters. Better than most fish. Chrysaora chesapeakei it turns out is a friend to one of the regionâs most iconic seafood species, the Eastern oyster. Sea nettles can also appear on the seaside, although it is rare. These drifters graze on zooplankton, keeping populations of some smaller animals from growing out of control. The tentacles of sea nettles contain stinging cells that are used to paralyze their prey. Jellies, it turns out, have been around for some 600 million years, and they are very good at adapting. These Jellyfish are found along the American and Canadian Pacific Coast, and their populations seem â¦ The Atlantic sea nettle is also called the East Coast sea nettle. Check out some interesting and fun facts about sea nettles below! Pacific Sea Nettle Facts Firstly, the Pacific Sea Nettle remains an ocean-dwelling species which many mistakenly consider dangerous. This is a distinctive characteristic along with maroon tentacles that identify this particular species of Jellyfish. The tentacles can be up to 15 feet long. The diet of the sea nettle consists of tiny fish, fish eggs, jellyfish, and zooplankton. The black sea nettle is considered a giant jelly; its distinctive purplish bell can reach over three feet (.9 m) in diameter. It refers to the golden rays decorating the umbrella like the warrior's golden sword. This site uses Akismet to reduce spam. The Chesapeake has a greater amount of freshwater than Shark Bays, and organisms, such as this sea nettle, must adapt to its brackish water. Interestingly, there are documented instances of animals such as juvenile or larval crabs using the sea nettles as a means of transportation and perhaps even food. Quick Facts. The Sea Nettle is semi-transparent and has small whitish dots and reddish-brown stripes. The adult Atlantic sea nettleâs body is an opaque white color, often with red streaks or dots visible through the cup and tentacles. Learn more about the Pacific sea nettle! When the nettle touches its victim, the prey becomes attached to the tentacle, and the jellyfish moves the food into its mouth, an opening at the center of its body that is linked to a gastrovascular cavity that digests the meal. The Pacific sea nettle, or West Coast sea nettle, is a common planktonic scyphozoan that lives in the eastern Pacific Ocean from Canada to Mexico. Less common food for the nettles is mosquito larvae and minnows. Less common food for the nettles is mosquito larvae and minnows. Donations are tax-deductable as allowed by law. Tentacles can be up to six feet long. Learn how your comment data is processed. Males release sperm into the water. Females pump the sperm through their bodies and release tiny larvae, called planulae. Closeout Deals on Akona Gear from Leisure Pro, 5 Ways Coral Reefs Are Important to Humans, Top 8 of the Ocean’s Most Poisonous Creatures. Summertime cohorts of the nettle include the comb jelly and the moon jellyfish. The Chesapeake Bay Foundation is a nonprofit, tax-exempt charitable organization under Section 501(c)(3) of the Internal Revenue Code. These large jellyfish can grow to be over three feet in diameter, and their tentacles can be over 25 feet long. Sea nettles have no excretory or respiratory organs. In the wild, the bell can grow to be larger than one meter (three feet) in diameter, but most are less than 50 cm. Sea nettles do provide ecological benefits to the bay. And, sea nettles help protect baby oysters by eating comb jellies during the summer months when oyster larvae are most abundant. What were these sea nettles doing in my river? These crabs can attach themselves to the bodies of the jellyfish until they arrive at the shore. When lifeguards notice a lot of stings in one area, they'll raise a yellow warning flag. Founded in 1967, the Chesapeake Bay Foundation (CBF) is the largest independent conservation organization dedicated solely to saving the Bay. When oysters are in their floating larval stage they are prone to predation by nettles and comb jellies. The larvae float for a few days before attaching themselves to a hard surface. Sea nettles have a characteristic golden-brown bell with a reddish shade. Their tentacles are covered in stinging cells called nematocysts, which stun or kill prey. The long white arms and the 24 maroon tentacles may be as long as 3.6 to 4.6m (12 to 15 feet). I know now that jellyfish do play a role in our Bay's ecosystem. Its coloration is also a bit different than its cousin, being paler (usually a ghostly white, but sometimes with light pink or yellow hues). Females pump the sperm through their bodies and release tiny larvae, called planulae.