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Sea anemones (/ ə ˈ n ɛ m. ə. n i / ə-NEM-ə-nee) are a group of predatory marine invertebrates constituting the order Actiniaria. Because of their colourful appearance, they are named after the Anemone, a terrestrial flowering plant. Sea anemones are classified in the phylum Cnidaria, class Anthozoa, subclass Hexacorallia.
Rodriguez et al. proposed a new classification for the Actiniaria based on extensive DNA results. [1] Suborders, Superfamilies and Families included in Actiniaria are: Suborder Anenthemonae. Superfamily Edwardsioidea. Family Edwardsiidae; Superfamily Actinernoidea. Family Actinernidae; Family Halcuriidae; Suborder Enthemonae. Superfamily ...
Actiniidae is the largest family of sea anemones, to which most common, temperate, shore species belong. Most members of this family do not participate in symbioses with fishes. Three exceptions are the bubble-tip anemone (with anemonefish and certain cardinalfish), snakelocks anemone (with Incognito goby) and Urticina piscivora (with painted ...
Actinia fragacea, commonly known as the strawberry anemone, [1] is a species of sea anemone of the order Actiniaria, that occurs from Norway to Africa, including adjacent islands (the Azores, Canary Islands, and Cape Verde) and the Mediterranean. It is generally found on rocks of the lower shoreline and depths up to 8–10 metres (26–33 ft).
The Enthemonae is a suborder of sea anemones in the order Actiniaria.It comprises those sea anemones with typical arrangement of mesenteries for actiniarians. [1]The Enthemonae is any member of the invertebrate suborder characterised by soft bodied, marine animals that look like flowers which primarily attach to hard or rigid surfaces, such as coral or rocks.
During deep water research off Cap Blanc, Mauritania, at depths between 1,000 and 2,000 metres (3,300 and 6,600 ft), the Venus flytrap sea anemone and the irregular sea urchin Pourtalesia miranda were found to dominate the benthic community. [4] In 2004 a mass mortality event occurred adjoining an oil pipeline off the Ivory Coast.
Actinia striata is a solitary sea anemone. The cylindrical column can grow to a height and diameter of 3 cm (1.2 in) and the foot flares out to a diameter of 6 cm (2.4 in). The crown consists of six whorls of tentacles making 196 tentacles in all.
The magnificent sea anemone is widespread throughout the tropical and subtropical waters of the Indo-Pacific area, from the eastern coasts of Africa, the Red Sea included, to Polynesia and from south Japan to Australia and New-Caledonia [2] [3] This anemone likes hard substrates well exposed to light and current from the surface to 20 m deep. [2]