Natural Imitation


While we’re still talking about Pen Shells (Atrina rigida), a friend pointed out that this one’s dark spot resembles the tail spot on Red Drum (Sciaenops ocellatus).

Looks to me like the mollusk had encountered a grain of sand and dealt with the irritating intruder by encapsulating it (essentially forming a small pearl). Nature is endlessly interesting!

Categories: Nature Notes

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