Sea anemones are typically the first thing that attracts people to reef aquariums, not to mention there relationship that some species have with anemonefish. Whats an Anemonefish you maybe asking, you may know it as "Nemo" or "clownfish".

However only 10 species are known to host the clownfish and compared to the other within the anemone family they can hard to maintain. Most of the anomones found in your local fish shop will contain photosynthetic algae and they will require high levels of aquarium lighting and excellent aquarium water quality.

The sea anemones stinging tentacles are capable of ensaring food particles, so most species benefit from regular feeding, remember that they have the ability to move around the aquarium and this may affect other fishes or invertebrates within the aqaurium. In stable conditions the anemones will remain in the same position for many years.