(Maura McCarthy) Jellyfish species have all kinds of offbeat common names: fried-egg jellies, cabbage heads, big reds. But their scientific names can be funky too. Phialella zappai is named in ...Updated on July 03, 2019. While swimming or walking along the beach, you encounter a jelly-like animal. Is it a jellyfish? Can it sting you? Here is …Jellyfish, specifically, refer to the adult medusa stage in their life cycle. Among these 4,000 medusozoans, they can be categorized into four distinct groups.Jellyfish account for more than 80 known deaths since 1883. The box jellyfish was responsible for 79 deaths, and Irukandji the other two. ... Box jellyfish prefers to be near the coast, whereas Irukandji species tend to be both close to shore as well as further offshore, including near offshore reefs. They are both found near South-East Asia.Jan 7, 2024 · The Atlantic Ocean is another vast expanse where jellyfish thrive. From the frigid waters of the North Atlantic to the warmer regions of the Caribbean, there is a wide variety of jellyfish species to be found. One of the most common jellyfish species in the Atlantic Ocean is the moon jellyfish (Aurelia aurita). Turritopsis dohrnii, also known as the immortal jellyfish, is a species of small, biologically immortal jellyfish [2] [3] found worldwide in temperate to tropic waters. It is one of the few known cases of animals capable of reverting completely to a sexually immature, colonial stage after having reached sexual maturity as a solitary individual.It has tentacles that surround the mouth to capture food. Sea Nettle Jellyfish have no excretory or respiratory organs. Each sea nettle is free-swimming and can … The cubozoan jellyfish comprise 50 species of box jellies (the rather spherical body is squared off at the edges), which are usually 1–2 in. (2–4 cm) in diameter. jellyfish, Any of about 200 described species of free-swimming marine cnidarians (in the classes Scyphozoa and Cubozoa), many of which have a bell-shaped body. Dec 13, 2019 · Jellyfish come in a wide variety of shapes and sizes. The largest is the lion's mane jellyfish (Cyanea capillata), which can have a bell over six and a half feet in diameter and weigh up to 440 pounds; the smallest is the Irukandji jellyfish, several species of dangerous jellyfishes found in tropical waters, which measure only about two-tenths of an inch and weigh well under a tenth of an ounce. Atolla wyvillei, also known as the Atolla jellyfish, Coronate medusa, and deep-sea jellyfish, is a species of deep-sea crown jellyfish (Scyphozoa: Coronatae). It lives in oceans around the world. Like many species of mid-water animals, it is deep red in color. This species was named in honor of Sir Charles Wyville Thomson, chief scientist on the …Although most jellyfish are found in coastal waters, a freshwater species Craspedacusta sowerbyi is sometimes found in New Zealand lakes. There are several.Jul 25, 2023 ... The moon jellyfish (Aurelia aurita), also known as the “common”, or “saucer” jellyfish, is possibly the species with the widest global ...2. Mauve Stinger or Purple Jellyfish. by richard ling is licensed under CC BY-NC-ND 2.0. Another jellyfish in the Gulf of Mexico is the mauve stinger (Pelagia noctiluca), commonly known as the purple jellyfish. It is a species of jellyfish found along the coasts of the Atlantic Ocean and the Gulf of Mexico.The Lion's Mane Jellyfish also belongs to the class of Scyphozoa.This species is known by their impressive size, as it reach up to 2 m (6 ft 7 in) long and have a bell with a diameter of about 50 cm (20 in).It 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 …3. Drymonema larsoni. The Drymonema larsoni is commonly known as the pink jelly from its body color . It feeds on other jellyfish and is, therefore, common in areas with many of them. An adult pink jelly is about 67 inches long, …Barrel jellyfish - One of the largest jellyfish found in UK seas. They are translucent with a huge mushroom shaped bell and a bunch of 8 frilly tentacles below. They don't have marginal tentacles, but do have a violet fringe around the bell. They are often found washed up on beaches in May and June. Lion's mane jellyfish ©Alex Mustard/2020VISION.More than 100 species of jellyfish have been recorded along the Great Barrier Reef, including the notorious stinging blue bottles and box jellyfish. One of ...The Moon Jellyfish (Aurelia aurita) is also known as the 'jelly', 'crystal jellyfish', 'common jellyfish', 'saucer jelly' or 'swimming jellyfish...The jellyfish´s body for most of their life cycle has the shape of a bell. In the case of box jellyfish the bell has four different sides.. Extending from the body of most jellyfish are long tentacles embedded with nematocysts.. Some species lack tentacles, among which are the large red jellyfish (Tiburonia big red ), which uses long and fleshy …Jellyfish as food. Raw cannonball jellyfish (known locally as "jellyballs") in the U.S. state of Georgia prior to being dried, preserved and packaged. After processing, the product is sold to a seafood distributor that ships them to Japan, China, the Philippines, and Thailand. Some species of jellyfish are suitable for human consumption and are ...Aug 9, 2023 · Wandering through the sandy beaches and rocky shorelines of Wheeler, Rockaway, Garibaldi, and Tillamook, I discovered a range of jellyfish species, some of which I had never seen before. The northern stretch of the Oregon coast is known to be an excellent spot for observing marine life, including numerous types of jellyfish. Wikimedia Commons In years past, Jellyfish Lake was home to an estimated 5 million golden jellyfish. Without the sun, these organisms would die, robbing their hosts of important, life-giving energy. While the daily jellyfish migration is incredible in its own right, the migration pattern also plays an important role in the lake's ecosystem. Hong Kong Jellyfish Species Information. The Agriculture Fisheries and Conservation Department (AFCD) records 6 species of jellyfish that have been found in Hong Kong waters - Cyanea nozakii, Mastigias papua, Aurelia aurita, Stomolophus meleagris, Pelagia panopyra and Acromitus flagellatus. Information on each species is below. Weight: Up to 2kg. Body size: 2cm to 2m. Top speed: 8km/h. Diet: Fish, shrimp, crabs, tiny plants and even other species of jellyfish. Habitat: Oceans. Range: Jellyfish have been around for millions of years, even before dinosaurs lived on the Earth. Pulsing along on our ocean currents, these jelly-like creatures can be found in waters both ...Jellyfish of New Zealand; Print Jellyfish of New Zealand Jellyfish and relatives found around New Zealand's coasts. All 18; Origin; Indigenous 4; ... room for notes on the right. Species info will be truncated to fit on the page. Taxa to include. All taxa in this guide 18 taxa matching current filters Note: most browsers have an option to print ...Jellyfish are characterized by an umbrella-shaped body containing a jellylike substance (mesoglea), between upper and lower surfaces, which acts as a buoyancy aid. Three types are recognized: true jellyfish (Scyphozoa), hydromedusae (Hydrozoa) and colonial Siphonophora and Chondrophora. About 110 species are found in Canadian …Fun Facts About Lion’s Mane Jellyfish. 1. The lion’s mane jellyfish is one of the largest jelly species in the world, growing to an average length of 1.5 feet (40 cm), but can reach lengths of 6.5 feet (200 cm). 2. The lion’s mane jellyfish is named after its “mane” of long, hair-like tentacles hanging from its bell. 3.Turritopsis dohrnii, the so-called "immortal jellyfish," can hit the reset button and revert to an earlier developmental stage if it is injured or otherwise threatened. Like all jellyfish, Turritopsis dohrnii begins life as a larva, called a planula, which develops from a fertilized egg. A planula swims at first, then settles on the sea floor ...The bodies of all box jellyfish in their adult, or free-swimming medusa, form resemble a box-shaped bell, with clusters of tentacles trailing from each corner of the bell. Depending upon the species, the bell’s diameter can range in size from 1–30 cm (0.4–11.8 inches), and the tentacles can extend up to 3 metres (9.8 feet) in length.Types of Jellyfish Facts and Information . There are more than 2,000 different Jellyfish species that have been identified. They range significantly in color, size, and dimensions. Experts believe that there …Use the selection box below to view full lists by group. The following is a list of Corals, Jellyfish, and Sea Anemones of concern. This list combines species from several endangered species lists. Using the total at the bottom of this page as an official count of endangered corals, jellyfish, and sea anemones of the world is not recommended.Mar 25, 2022 · This is because many jellyfish species thrive in warm water, and this part of the Pacific Ocean is a relatively cold ocean basin. Most of the time, Huntington Beach jellyfish aren’t much of a threat to humans, but it’s still important to stay educated on the topic, including precautions to take and being aware of what types of jellyfish you ... Although most jellyfish are found in coastal waters, a freshwater species Craspedacusta sowerbyi is sometimes found in New Zealand lakes. There are several.Chrysaora colorata (Russell), commonly known as the purple-striped jelly or purple-striped sea nettle, is a species of jellyfish that exists primarily off the coast of California from Bodega Bay to San Diego. The bell (body) of the jellyfish is up to 70 cm (2.3 ft) in diameter, typically with a radial pattern of stripes. The tentacles vary with the age of the individual, …Jellyfish of the Gulf. By Stephanie Boyd. Comb Jelly. Jellyfish are some of the oldest surviving members of the animal kingdom. They have existed in our oceans since before dinosaurs roamed the earth. There are over two thousand species of jellyfish that we know of, and more are discovered in almost every uncharted area of ocean we cover.The Lion's Mane Jellyfish also belongs to the class of Scyphozoa.This species is known by their impressive size, as it reach up to 2 m (6 ft 7 in) long and have a bell with a diameter of about 50 cm (20 in).It 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 …Jellies Invasion features nine species of jellyfish, prehistoric invertebrates that can be found in every ocean on Earth. Skip the navigation and search. ... Learn more about the fascinating species in Jellies Invasion. View All Animals. Atlantic Bay Nettle (Chrysaora chesapeakei) The Atlantic bay nettle's bell can grow up to 7 inches wide.Rhopilema esculentum is a species of edible jellyfish. Some species of jellyfish are suitable for human consumption and are used as a source of food and as an ingredient in various dishes. Edible jellyfish is a seafood that is harvested and consumed in several East and Southeast Asian countries, and in some Asian countries it is considered to ...Use the selection box below to view full lists by group. The following is a list of Corals, Jellyfish, and Sea Anemones of concern. This list combines species from several endangered species lists. Using the total at the bottom of this page as an official count of endangered corals, jellyfish, and sea anemones of the world is not recommended.Conclusion. The majority of jellyfish species will live for between 12 and 18 months, but some might survive longer with proper care. Immortal jellyfish, on the other hand, can live forever thanks to a special process that allows them to regenerate and live longer. This process is unique to this species of jellyfish.This is because many jellyfish species thrive in warm water, and this part of the Pacific Ocean is a relatively cold ocean basin. Most of the time, Huntington Beach jellyfish aren’t much of a threat to humans, but it’s still important to stay educated on the topic, including precautions to take and being aware of what types of jellyfish you ...Jellyfish are among the ocean’s most incredible inhabitants. One unique species, through an astonishing biological process, has the potential to …Oct 29, 2009 · Jellyfish. Jellyfish aren’t fish but invertebrates, animals that lack backbones and even brains. Yet 30,000-odd species do far more than survive—they thrive in ocean waters the world over. Jellyfish Order: Semaeostomeae · Appearance. Three species of jellyfish can be found in the Chesapeake Bay: · Feeding. Sea nettles and lion's mane jellyfish prey&...Jellyfish as food. Raw cannonball jellyfish (known locally as "jellyballs") in the U.S. state of Georgia prior to being dried, preserved and packaged. After processing, the product is sold to a seafood distributor that ships them to Japan, China, the Philippines, and Thailand. Some species of jellyfish are suitable for human consumption and are ...There are three species of box jellyfish found in Hawaiian waters: Carybdea rastonii, Carybdea sivickisi, and Alatina alata. Alatina alata is the largest of the three Hawaiian box jellies, but its body still only reaches between 2.5 – 7.5 centimeters / one to three inches tall.It consist of 4 major classes, namely Cubozoa, Hydrozoa, Scyphozoa, Staurozoa. These classes are further divided into orders, which is further divided into families. …October 2011 7:24 min. Increasingly, marine researchers are finding that there are far more jellies and jellyfish in the world's oceans than previously believed. Indeed, these creatures may play an unexpectedly large role in ocean ecosystems. This video follows …Golden Jellyfish. Jellyfish are known for drifting to and fro at the whim of ocean currents—but not all species are so passive. The millions of golden jellyfish that pack Palau’s Jellyfish ...Sea Nettle Jellyfish have a distinctive golden-brown or reddish coloration. The Sea Nettle Jellyfish (Chrysaora melanaster) is a fascinating species of jellyfish found in coastal waters around the world. It is known for its distinctive bell-shaped body, which can grow up to 30 centimeters in diameter, and long, flowing tentacles.The oldest examples of swimming jellyfish, which lived in Earth’s oceans 505 million years ago, have been discovered high within the Canadian Rockies. Researchers found 182 fossils encased ... Jellyfish, anemones, corals and other cnidarians. Jellyfish, anemones, corals and hydroids are collectively known as cnidarians (Ancient Greek: knide = nettle, named after a type of plant with stinging hairs). With over 10,000 known species, they all have soft, hollow bodies, live in water and generally have tentacles. The Lion's Mane Jellyfish also belongs to the class of Scyphozoa.This species is known by their impressive size, as it reach up to 2 m (6 ft 7 in) long and have a bell with a diameter of about 50 cm (20 in).It 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 … Scientific Name. Chironex fleckeri. Common Names. Australian Box Jelly, Box Jelly, Box Fish. Natural Habitat. Coastal waters of the Pacific and Indian Oceans. Size. Length - up to 10 feet (3 m), Bell size - up to 1 foot (30 cm) in diameter. Venomous Rating. The oldest examples of swimming jellyfish, which lived in Earth’s oceans 505 million years ago, have been discovered high within the Canadian Rockies. Researchers found 182 fossils encased ...Sea gooseberries are one species of a wider phylum of 'comb jellies' - a group which all swim using cilia - small hair-like structures. A rubbish photo I ...Oct 30, 2017 · Of the 2,000-known species, only 70 can be harmful to human beings. The box jellyfish (Chironex flecker) are among the most dangerous. Turriptosis nutricula is a species of the jellyfish commonly referred to as the ‘immortal jellyfish’ since it can transform into the polyp state from the mature medusa thus avoiding death. Some jellyfish only become stronger after being attacked by robots. Specifically, the jellyfish-shredding robots of the Jellyfish Elimination Robotic Swarm, or JEROS, developed by ...4. Costa Rican Jellyfish. This jellyfish is beautiful in an uncharacteristic way and looks very different from other types of jellyfish. It is also known as Stauromedusae and is stalked and does have the life cycle like other jellyfish that alternates vegetative and sexual reproductive stages.21 types of jellyfish. Quicklinks to the different types of jellyfish we've featured: 1. Moon jellyfish. 2. Fried egg jellyfish. 3. Crystal jellyfish. 4. Lion’s mane …Barrel jellyfish - The largest jellyfish found in UK seas. They are translucent with a huge mushroom shaped bell and a bunch of 8 frilly tentacles below. They don't have marginal tentacles, but do have a violet fringe around the bell. They are often found washed up on beaches in May and June. Lion's mane jellyfish ©Alex Mustard/2020VISION.Cyanea rosea · Cyanea annaskala · Lion's Mane Jellyfish (topview) Cyanea capillata · Lion's Mane Jellyfish (sideview) Cyanea capillata sideview ·...This tiny species of jellyfish is related to the larger box jellyfish, but is only a few millimeters long. Although their sting is almost painless at first, but their venom is very powerful. After about 20 minutes their venom causes intense pain and possible cardiac arrest. They live off the northern coast of Australia – we’d advise being ...The jellyfish´s body for most of their life cycle has the shape of a bell. In the case of box jellyfish the bell has four different sides.. Extending from the body of most jellyfish are long tentacles embedded with nematocysts.. Some species lack tentacles, among which are the large red jellyfish (Tiburonia big red ), which uses long and fleshy …Phyllorhiza punctata. [Accessed Sep 28, 2023]. Ocaña-Luna, A., M. Sánchez-Ramírez, and R. Aguilar-Durán. 2010. First record of Phyllorhiza punctata von Lendenfeld, 1884 (Cnidaria: Scyphozoa, Mastigiidae) in Mexico. Aquatic Invasions 5 (suppl. 1):S79-S84. Species Profile: White Spotted Jellyfish. Preys on native species; negatively impacts ...So far, over 2,000 species of jellyfish have been discovered and identified. However, much like how the Drake equation estimates the number of extraterrestrial ...The moon jellyfish is an excellent aquarium inhabitant. Many hobbyists have successfully kept the species, breed them and watched them complete their life cycle. Keeping a jellyfish is a superb source for expanding your knowledge about them. Plus, it can help you advance jellyfish husbandry infiltration, foods, system design and more.The pink meanie was only discovered back in the 2000’s in the Gulf Of Mexico. It was then finally classified as a unique species ten years later, and was the first newly classed species of jellyfish since 1921. This cannibalistic jelly will quite happily feast on other jellyfish, which primarily includes feasting on moon jellyfish.Types of Jellyfish Facts and Information . There are more than 2,000 different Jellyfish species that have been identified. They range significantly in color, size, and dimensions. Experts believe that there …Sep 1, 2019 · Jellyfish reproduce both sexually and asexually. When reaching the adult size, they reproduce daily if they have enough food. In most species, spawning is controlled by light, so the entire population appears at approximately the same time of the day, often at dusk or dawn. Jellyfish come in all different shapes and colors and range in size from 3 millimetres to 3 metres in diameter. One species of jellyfish in the cold arctic sea is huge, its body can be more than 7 feet wide and its tentacles can be up to 120 feet long. Although Jellyfish often appear clear or pale bluish in color, they can also be yellow, deep ...Nov 1, 2018 · Can a jellyfish live forever? The life span of jellyfish varies among species, with some only living a few days, others to a year, and a few up to 20 years. There is one species of jellyfish, the Turritopsis dohrnii, that has been dubbed ‘immortal.’. This jellyfish can reprogram the identity of its cells, essentially rewinding its life cycle. Hong Kong Jellyfish Species Information. The Agriculture Fisheries and Conservation Department (AFCD) records 6 species of jellyfish that have been found in Hong Kong waters - Cyanea nozakii, Mastigias papua, Aurelia aurita, Stomolophus meleagris, Pelagia panopyra and Acromitus flagellatus. Information on each species is below. February 2, 2023 by Faisal Abedin. Jellyfish come in a variety of colors, including pink, blue, purple, yellow, and translucent. The color of a jellyfish can be influenced by a variety of factors, including its species, environment, and diet. For instance, the moon jellyfish is typically translucent with a white or pale blue color.“Every page of text in Jellyfish has facts as fascinating as these, woven into a thorough coverage of jellyfish history, biology and ecology. Gershwin, a marine biologist who has discovered over 200 new species of jellyfish, does an excellent job of combining a compelling narrative of 50 different jellyfish with luscious, I-can’t-believe-they’re-real …Turritopsis dohrnii, also known as the immortal jellyfish, is a species of small, biologically immortal jellyfish [2] [3] found worldwide in temperate to tropic waters. It is one of the few known cases of animals capable of reverting completely to a sexually immature, colonial stage after having reached sexual maturity as a solitary individual.Some jellyfish only become stronger after being attacked by robots. Specifically, the jellyfish-shredding robots of the Jellyfish Elimination Robotic Swarm, or JEROS, developed by ...Aug 10, 2018 - This Pin was discovered by Genevieve G. Discover (and save!) your own Pins on Pinterest.Box jellyfish (Cubozoa) all have a box-like body or "bell" with tentacles extending from each corner. There are over 40 species of box jellies. These range from ...There’s at least 51 species of box jellyfish across 8 different families and 2 orders, and strings from some species, such as Chironex fleckeri, Carukia barnesi, Malo kingi can be fatal to humans. They can be found in tropical and sub-tropical waters, including the Indo-Pacific, Atlantic, Pacific and the Mediterranean Sea. The dangerous ...One species of jellyfish can revert back to its juvenile form, while lobsters can grow indefinitely. Anyone who has ever looked in the mirror and tried to smooth their wrinkles awa... Fluther, smack. Average Life Span In The Wild: Up to 1 years. Size: 10 feet long; 10 inches across. Weight: Up to 4.4 pounds. Size relative to a 6-ft man: The infamous box jellyfish developed its ... Jellyfish species show great diversity in color. Species may be white, orange, yellow, pink, red, purple, or blue. Moon jellyfish are translucent, as are ...The UK has six species of true jellyfish and two species of jellyfish-like animals, the Portuguese man o'war and by-the-wind-sailor, which are both classified as siphonophores.
In this blog post, we will explore the different types of jellyfish and their unique characteristics. There are over 3,000 species of jellyfish that have been identified, and new species are being discovered all the time. These species are grouped into several different categories based on their physical characteristics and behaviour.. Cbre gws
Wikimedia Commons In years past, Jellyfish Lake was home to an estimated 5 million golden jellyfish. Without the sun, these organisms would die, robbing their hosts of important, life-giving energy. While the daily jellyfish migration is incredible in its own right, the migration pattern also plays an important role in the lake's ecosystem.Turritopsis dohrnii, also known as the immortal jellyfish, is a species of small, biologically immortal jellyfish [2] [3] found worldwide in temperate to tropic waters. It is one of the few known cases of animals capable of reverting completely to a sexually immature, colonial stage after having reached sexual maturity as a solitary individual.Velella Velellas are carnivores that prey on small fish that are caught on the surface of the ocean including fish eggs, copepods, larvae, and euphausiid eggs. They are considered suspension feeders. Plus, they have symbiotic algae and zooxanthellae that also provide nutrition. 2. Flower Hat Jelly.Nov 17, 2017 ... The Fascinating World of 15 Types of Jellyfish: Ocean Gems · 1. Lion's Mane Jellyfish (Cyanea capillata) · 2. Upside-Down Jellyfish (Cassiopea&nb...The root-mouthed jellyfish ( Eupilema inexpectata) is one of the few true jellyfish species that occur in South Africa. It belongs to the Class Scyphozoa, which are also more colloquially known as scyphozoans. The species was discovered relatively recently and was described in 1992. Unlike cryptic species (species that have been …Crystal Jellyfish (aequorea sp) 11. Indonesian Sea Nettle (chrysaora chinensis) 12. Lions Mane Jellyfish (cyanea capillata) 13. Warty Comb Jelly (mnemiopsis leidyi) All photos taken with a Canon 5D Mark III and 35 mm f/1.4 L lens. There are more species of jellyfish, but these were the ones that came out best in photos.Aug 19, 2019 · Jellyfish species vary largely in size. Some jellyfish are so small they equal in size to a fingertip, as is the case with the Irukandji jellyfish.This extremely small jellyfish is still, despite its tiny size, considered one of the most venomous species of jellyfish in the world. The Australian box jellyfish (Cubozoa) is the world’s deadliest jellyfish and marine animal in the world. They are native to Australia and surrounding waters. There are about 30 to 50 species of box jellyfish in the Indo-Pacific and the coastal waters of Australia. All these species produce a deadly venom that is extremely painful .A few jellyfish species, such as the Cassiopea Jellyfish (Cassiopea sp.) and Golden Jellyfish (Mastigias papua etpisoni), host tiny algae called zooxanthellae in their tissues. These algae use sunlight to produce food, a process called photosynthesis. In return, the jellyfish gain some nutrients from the algae.Turritopsis dohrnii, also known as the immortal jellyfish, is a species of small, biologically immortal jellyfish [2] [3] found worldwide in temperate to tropic waters. It is one of the few known cases of animals capable of reverting completely to a sexually immature, colonial stage after having reached sexual maturity as a solitary individual.Here are 10 unique jellyfish species that are both fascinating and beautiful. 1. of 10. Cauliflower Jellyfish. Jao Cuyos / Getty Images. The …Nov 1, 2018 · Can a jellyfish live forever? The life span of jellyfish varies among species, with some only living a few days, others to a year, and a few up to 20 years. There is one species of jellyfish, the Turritopsis dohrnii, that has been dubbed ‘immortal.’. This jellyfish can reprogram the identity of its cells, essentially rewinding its life cycle. Jellyfish Lake (Palauan: Ongeim'l Tketau, lit. 'Fifth Lake') is a marine lake located on Eil Malk island in Palau.Eil Malk is part of the Rock Islands, a group of small, rocky, mostly uninhabited islands in Palau's Southern Lagoon, between Koror and Peleliu.There are about 70 other marine lakes located throughout the Rock Islands. Millions of golden …There are more than 10,000 species of Cnidaria, and roughly 4,000 of these make up Medusozoa—a group that contains all animals we think of as jellyfish. Jellyfish is the name for the swimming adult medusa stage of in the life cycle of these animals. The 4,000 or so medusozoans are divided into four different groups..