Image: Annuli on scallop shell
Annuli_on_scallop_shell.jpg (640 × 366 pixels, file size: 53 KB, MIME type: image/jpeg)
Description: Atlantic sea scallop, Placopecten magellanicus. You can tell how old a scallop is by counting the number of annuli (rings) on their shells (kind of like counting tree rings on a stump).
Title: Annuli on scallop shell
Credit: NOAA FishWatch (see Gallery)
Author: Unknown author
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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