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Anemones: There are many families of Sea Anemones.
The order Actiniaria consists of standard Anemones, and Ceriatharia, the Tube Anemones. The majority of Anemones are
sessile* with a specialized foot used to anchor them in soft substrates or
attach themselves to rocks and corals. Their bodies consist of two layers of cells separated by a jelly-like substance.
Their outer layer contains muscles and stinging cells, while their inner layer is used to digest food. Anemones have six
(or multiples of six) tentacles arranged around their mouth or oral disc. The size and number of tentacles are used to
distinguish between different species, as are body shapes which vary from a long, tubular stalk to a flattened disc.
Size is not an indication of age, as the Anemone can alter its size according to available nutrients.
The Anemone is a predator, but most species contain the symbiotic algae zooxanthellae that will provide nourishment under proper lighting. The Magnificent, Carpet, and Tube Anemones must be given ample room in the aquarium to avoid stinging, and possibly killing, their neighbors. Smaller fish, crabs, urchins, and other roaming invertebrates may be eaten by the Anemones. Use caution when introducing Anemones into a reef aquarium as some species are mobile, and may sting and damage live corals. Care is also required when handling. The relationship between Clownfish and its host Anemone is fascinating, and represents one of the best-known aspects of marine aquarium keeping. Make sure that excellent water conditions are provided, a moderate to strong current, and intense lighting. Supplement thier diet with bits of shrimp, blood worms or other meaty foods.
Click on thumbnails for more information.
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