Furthermore, in the drawing the saw-toothed disc margin, the tentacles on the disc, (one removed tentacle is shown) do not seem to match the very distinctive species shown in the photographs. Therefore we suspect it is possible that What Saville-Kent described in 1893 was something else. For what it's worth, everyone who sees this distinctive species agrees it is quite different from other Rhodactis and Discosoma spp. It seems that it should belong to a different genus, which is something Saville-Kent said about his specimen: "It seems imperative here again to employ both a new generic and a new specific title for its distinction..."
Similar Species: Most similar to mussid corals. Single polyps with one mouth basically look like Discosoma spp., but they are much more rigid, and when they develop multiple mouths the polyps become very oblong or even meandroid in shape, something that does not occur in other Discosoma spp, though it does occur in Ricordea florida, which also develops multiple mouths within the same tentacular system.
Natural Habitat: Reef walls and deep reef environments in the lndo-Pacific. Usually on solid reef, not loose rubble. May be exposed periodically to strong water motion. Generally grows on vertical substrate and therefore receives indirect light.
Aquarium Care: Easy to care for. Does not take food, but subsists on light and probably ingests bacteria trapped on its mucus. Green specimens will growT large and become stunningly fluorescent under low intensity blue lieht.
Just before this book went to press J. Sprung observed a special form of budding in this species in the show aquarium of Jan and Joe Genero at Fish World in Richmond, Virginia, Only a few days earlier Julian had seen this type of budding in Ricordea florida. A ball of tissue on the oral disc becomes swollen and differentiated. It rocks in the current until it becomes severed. Where it settles it develops into a complete polyp. Though never before reported, it was not such a surprizing fact. However, Julian was very surprized when Joe Genero told him that this species also develops similar buds internally and spits them out of the mouth!
Reproduction: Asexual reproduction by longitudinal fission is the principle means of spreading. Polyps typically have multiple mouths and divisions occur between these. Budding and pedal laceration also occur, but infrequently. Sexual reproduction not reported in captivity nor in nature.
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