Photo 4626944, (c) Erwin Koehler, some rights reserved (CC BY-NC), uploaded by Erwin Koehler

Attribution © Erwin Koehler some rights reserved Uploaded by erwinkoehler Source iNaturalist Associated observations Photos / Sounds What Slender Sap Sucking Slug (Thuridilla gracilis) Observer erwinkoehler Date October 27, 2003 Place Tebjong, Siquijor, Philippines (Google, OSM) Date Added August 21, 2016 03:21 PM HKT Description divesite: Samboan, size 21 mm, depth 19 m 3 IDs Research Grade View Sizes small medium large original