The name Cnidaria comes from the Latin cnidae which means ‘nettle’. Characteristics: The order of sea anemones, Actiniaria, includes many colorful species, some of them resembling the anemone, a terrestrial flower. Sea anemones feed on plankton, crustaceans - like crabs, shrimps and prawns, mussels, worms and even sea urchins. Throughout the world’s oceans, in both shallow and deep waters, more than 1,000 species of sea anemone make their homes. Sea anemones look like flowers but are actually animals. Although sea anemones can be short and thick or long and thin, ranging from a few millimeters to about 1.5m in diameter, there are common characteristics they all share. They come in almost any combination of colors, and can grow to … The pink or lilac tentacles are very thin and flexible and can grow to a length of 5 cm. Sea anemones can be as small as 1.5cm (size of an Australian five-cent coin or a US penny) and others can be up to 1.8 meters in diameter. It is a predatory species and has the ability to move (by crawling very slowly), in order to reduce competition with nearby individuals or to increase the likelihood of successful reproduction. The most obvious characteristic of the sea anemone is the oral disk consisting of unbranched tentacles, which usually exist, in multiples of 6 (Britannica online and Gosner, 1982). They are generally not palatable to others but they are preyed upon by grey sea slugs and some fish such as the butterfly fish. In some individuals, the bulbous tips appear and disappear intermittently. Sea Anemones. They will release eggs and sperm into the water and then the sperm finds the eggs to fertilize them. In their natural habitat, these sea anemones are found in two types. Sea anemones use their tentacles to sting the … This is very characteristic for this species, and it can hardly be confused with any other sea anemone. Sea Anemones are carnivores (flesh eating), many have a flower like appearance and vary in size, shape and color, they attach themselves to fixed objects such as coral, rocks etc. The sea slugs are not immune to the anemone's sting but their digestive tracts do have a protective coating. The tentacles may be red, yellow, green, blue, orange, brown, white, or a mixture of colors. They tend to stick to firm objects in the ocean or sea, and wait for marine life to pass by to catch with their tentacles. Meet the Aiptasia sea anemone species and discover the pros and cons of Aiptasia in captivity. Like jellyfish and corals, anemones belong to the group Cnidarians. Sea Anemone - Description & Characteristics Do Sea Anemones Look Like? Habitat: Sea Anemone Reproduction. Although there are a few pelagic species, the majority of sea anemones are polyps attached to some surface by an adhesive foot. Sea anemone facts about the 10 types of anemones that host clownfish, the ones that are hardy aquarium anemones, and a buy sea anemone … Sea anemones have tubular bodies with a central gut cavity. The largest and most diverse varieties of these animals are found in tropical waters. The giant Caribbean sea anemone is a large anemone that lives on coral reefs throughout the Caribbean Sea. Their tentacles have stingers which are poisonous, and the tentacles guide the captured fish or other marine life into the sea anemone's mouth. So the characteristic feature of this anemone is its bulb-like tentacle tips. For the Sea Anemone a complex process called lateral fusion is what takes place for reproduction. Characteristics: The cloak anemone has lilac or red spots on the body. It is said that some of these anemones have prominent bulbous tips, whereas others lack that. The cylinder-shaped body ends in an oral disk, surrounded by tentacles. 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