A Rostanga sp. 18 mm B Sebadoris fragilis 70 mm C Thordisa sp. 12 mm D Doriopsis cf. granulosa 7 mm E Doriopsis pecten 6 mm F Doriopsis viridis 4 mm G Doris cf. immonda 5 mm H, I Dorididae sp. 15 mm (H photograph by Jeremy Coz) and 8 mm (I) J Goniodoridella sp. 1 6 mm K Goniodoridella sp. 2 3 mm (photograph by Khumron Waipaka) L Trapania cf. gibbera 5 mm.

  Part of: Mehrotra R, Caballer GutiĆ©rrez MA, Scott CM, Arnold S, Monchanin C, Viyakarn V, Chavanich S (2021) An updated inventory of sea slugs from Koh Tao, Thailand, with notes on their ecology and a dramatic biodiversity increase for Thai waters. ZooKeys 1042: 73-188. https://doi.org/10.3897/zookeys.1042.64474