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The "Chain Sea Squirts or Chain Tunicates" of the genus ''Botrylloides'': Morphologically similar to ''Botryllus schlosseri'' and similarly widespread, ''Botrylloides'' is distinguished by having linearly-arranged, parallel "chains" of zooids as opposed to zooids like white or yellow stripes emanating from a common center in ''Botrylloides''. Like ''Botryllus'', ''Botrylloides'' are flat sheets of organisms which can be found covering ropes, boat hulls, horseshoe crabs, seaweeds, and any still or slow-moving object in saltwater. Also both are relative invasive Ascidians, found in many ports around the world. Invasive tunicates such as these, ''Didemnum'' sp., and ''Styela clava'' are a problem for shellfish and other marine life populations, and cause fouling of boats and piers. ==Species include== *''Botrylloides diegensis'' *''Botrylloides leachii'' *''Botrylloides simodensis'' *''Botrylloides violaceus'' 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Botrylloides」の詳細全文を読む スポンサード リンク
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