Be a host to your anemone It would seem that keeping a host sea anemone should be the easiest thing in the world for an aquarist. After all, such animals are offered... Report Bad Link Choosing your next anemone Soon after the purchase of their clownfish many of those same people decide that their clownfish need an anemone. This is where many aquarist meet with their first failure. Report Bad Link Anemone in captaive system 1 Flowers of the sea? Hardly. Most anemones are marine; but they are definitely animals, just a step or two up from the "tissue-grade" life that is the sponges, phylum Porifera. Report Bad Link Anemone in captive systems 2 Anemones for the most part are extremely un-demanding. Some writers state otherwise, but many species have been maintained (and reproduced) in synthetic sea water. Report Bad Link