Photo 5535196, (c) Heather Kostick, some rights reserved (CC BY-NC), uploaded by Heather Kostick

Attribution © Heather Kostick some rights reserved Uploaded by kostihl08 Source iNaturalist Associated observations Photos / Sounds 3 photos What Zebra Periwinkle (Echinolittorina ziczac) Observer kostihl08 Date September 24, 2016 10:16 AM EDT Place Las Cabezas de San Juan Reserve, Fajardo, PR, US (Google, OSM) Date Added November 16, 2016 10:14 AM EST 3 IDs Research Grade View Sizes small medium large original