The image is of a giant clam in the Red Sea (credit Tahsin Ceylan / Anadolu / Getty). It is interesting to me that they have evolved that sinuous orifice rather than the linear "lips" of a typical clam; probably some survival advantage to being structured in this way.

Does the crinkle crinkle wall relate? https://en.wikipedia.org/wiki/Crinkle_crankle_wall
ReplyDeleteThe wave increases the surface area and thus holding and cutting power of the shell.
ReplyDeleteThat would make sense. Thanks, Richard.
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