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Buccinum thermophilum : ウィキペディア英語版 | Buccinum thermophilum
''Buccinum thermophilum'' is a species of sea snail, a marine gastropod mollusk in the family Buccinidae, the true whelks. ==Description== The common name for ''B. thermophilum'' is the endeavor vent whelk. Whelks are usually moderate to large in size, with smooth or sculptured whorls which often have a distinct shoulder. The aperture is large and a siphonal canal and horny operculum are present. They have two eyes at the base of tentacles, and a well-developed sense of smell. They are usually considered as predatory or scavengers. Their shell length is typically 3.5 cm. Whelks lay eggs in attached masses of lens-shaped capsules, each of which contains 200-450 eggs. Their egg size is about 275 μm, and the capsule diameter is about 5-6 mm. Buccinid whelks usually hatch from eggs as juveniles, so have limited dispersal capability. Deep-sea buccinids can survive up to a year without food.〔http://www.wallawalla.edu/academics/departments/biology/rosario/inverts/Mollusca/Gastropoda/Prosobranchia/Order_Neogastropoda/Suborder_Rachiglossa/Family_Buccinidae/Buccinum_thermophilum.html〕
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「Buccinum thermophilum」の詳細全文を読む
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