Identification Guides

nudibranch.org

Milne Bay

Papua New Guinea

Photographic identification guides to the nudibranchs and other sea slugs of the Milne Bay Region of Papua New Guinea. Each volume contains over 490 species, described and illustrated with up to 4 images for each species. These are the first dedicated guides to these amazing marine creatures in this region of the western Pacific ocean.
Updated 12 February, 2024
Milne Bay Nudibranchs: Vol 1

Updated 12 February, 2024
Milne Bay Nudibranchs: Vol 2

Maldives

Updated 25 January, 2024 
Maldives Nudibranchs

A photographic identification guide to the nudibranchs and other sea slugs of the Maldives. Over 290 species are described and illustrated with up to 4 images for each species. This is the first dedicated guide to these beautiful animals in this area of the Indian Ocean.

Scotland

Updated 22 January, 2024
Scottish Nudibranchs

A photographic guide to the nudibranchs and other sea slugs recorded around the coast of Scotland. There are now 118               species described and illustrated, with up to 8 images for each species often including their spawn and food, and general information on the main groups. There are also distribution maps for 102 species and reproductions of the illustrations from Alder & Hancock's 1845-55 monograph for 74 species.

Anilao - Philippines

Updated 23 February, 2024
Anilao Nudibranchs

A guide to the nudibranchs and other sea slugs seen during the Nudibranch Festivals, 2016/17/18/23 in Anilao in the Batangas region of Luzon Island in the Philippines. 622 species are described and illustrated many with multiple images and with general information of the families and groups. This is the first guide to these beautiful molluscs in this area.