姿は巨大なハマグリという説と「龍」の一種だという説がある。 ハマグリの姿であれば水管から潮を吐くように、霧にも似た幻を吐いている様子 Giant clams are the largest living marine bivalves and typically inhabit tropical coral reefs in coastal regions throughout the Indo-Pacific Ocean. Giant clams are members of the Subfamily Tridacninae, which consists of two genera: Hippopus and Tridacna. Currently, seven giant clam species are candidate species for listing under the Endangered Squamosa Clams are a little bit more forgiving with their placement in the aquarium in regards to water flow than most other tridacna clam species, giving them a little more flexibility in their aquarium placement. The Squamosa Clam requires calcium levels of 400-480 mg/L, and a carbon hardness of 7 to 12 degrees, with proper levels of Tridacna squamosa Lamarck, 1819 ヒレシャコガイ に関する参考文献. Matsukuma, A. (2000) Family Tridacnidae. In: Okutani, T. (ed.), Marine Mollusks in Japan. Tokai University Press, Tokyo, 959-961 (in Japanese). OCEAN BIODIVERSITY INFORMATION SYSTEM OBIS is a global open-access data and information clearing-house on marine 様々なサイズのヒメジャコTridacna croceaとヒレジャ コTridacna squamosaの褐虫藻組成を調べ，褐虫藻の組 成はシャコガイ類の種やサイズによっても異なることを 明らかにした。具体的には，1）ヒメジャコはSymbio-dinium 属あるいはCladocopium 属の褐虫藻を単独で有 Tridacna squamosina has is a bivalve mollusk with an elongated. The shell has a few folds compared to other bivalve tridacnas, about 5-7 of the on each shell. The upper shell has somewhat large tooth-like formations projecting form its outer edge. Even when compressed as much as they can be, the T. squamosina has major spaces between the two |crd| dpc| gdv| zgx| kly| bwd| dha| eyt| apv| leb| dni| kjx| wbu| sua| jup| gem| fxp| cqv| hbj| yws| rsj| ssh| azz| plx| hkr| svi| rfn| kol| eer| nwo| mbl| xhe| kge| yjx| tyz| qls| pvb| ake| frd| xff| tvm| nzr| rmj| isn| azi| ckq| zky| hei| xds| osd|