Photo 1282490, (c) msi, some rights reserved (CC BY-NC), uploaded by msi

Attribution	© msi some rights reserved
Uploaded by	msi
Source	iNaturalist
Associated observations	Photos / Sounds What Channeled Whelk (Busycotypus canaliculatus) Observer msi Date October 15, 2014 Place San Francisco Bay: South Bay (Google, OSM) Date Added October 17, 2014 11:20 AM PDT Description Channeled Whelk egg case in San Francisco Bay between the San Mateo and Dumbarton Bridge. 2 comments 4 IDs Research Grade View
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