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If the sea urchin comes into contact with the tentacles of the sea anemone, it may be unable to tear itself free, however, if it is swathed in seaweed fragments or concealed among the seaweed fronds, the sea anemone's tentacles may adhere to the algal material, enabling the sea urchin to make good its escape. [5]
The sea anemone benefits from the products of the algae's photosynthesis, namely oxygen and food in the form of glycerol, glucose and alanine; the algae in turn are assured a reliable exposure to sunlight and protection from micro-feeders, which the sea anemones actively maintain. The algae also benefit by being protected by the sea anemone's ...
According to researcher Joel Elliot, these associations occurred mainly in moderately exposed locations where the sea anemones and fish were both numerous; the large anemone offers the fish protection from predators and provides a safe environment for it to feed on copepods and other small invertebrates that are also associated with the anemone ...
There are thousands of different species of sea anemones in the ocean with some living as far deep as 32,000 feet. Anemones are marine invertebrates that are closely related to jellyfish.
Urticina crassicornis, commonly known as the mottled anemone, the painted anemone or the Christmas anemone, is a large and common intertidal and subtidal species of sea anemone. Its habitat includes a large portion of the coastal areas of the northern hemisphere, mainly polar regions, and it lives a solitary life for up to 80 years. [ 1 ]
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 ...
The starlet sea anemone is used as a model organism in research. [34] It is easy to care for in the laboratory and a protocol has been developed which can yield large numbers of embryos on a daily basis. [35] There is a remarkable degree of similarity in the gene sequence conservation and complexity between the sea anemone and vertebrates. [35]
Edwardsiella lineata, the lined anemone, is a species of sea anemone in the family Edwardsiidae. It is native to the northwestern Atlantic Ocean where it occurs in the subtidal zone. It is native to the northwestern Atlantic Ocean where it occurs in the subtidal zone.