A giantclam 's siphon is used to draw in water to filter and consume passing plankton.
巨型蛤蚌的虹吸管是被用来以过吸水的方式过滤并吸食经过的浮游生物。
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Exposing its mantle and inhalant siphon, a giantclam (Tridacna gigas) is in the ideal position for a diver's examination in the Coral Sea off the coast of Queensland, Australia.