Photo 12386725, (c) Ian Van Wert, some rights reserved (CC BY-NC), uploaded by Ian Van Wert

Attribution © Ian Van Wert some rights reserved Uploaded by ianvanwert Source iNaturalist Canada Associated observations Photos / Sounds What Thornback Guitarfish (Platyrhinoidis triseriata) Observer ianvanwert Date December 14, 2017 04:55 PM PST Place Great Hwy, San Francisco, CA, US (Google, OSM) Date Added December 14, 2017 04:55 PM PST 1 comment 3 IDs Research Grade View Sizes small medium large original