This thematic volume on the molluscs of Ambon Island, part of the Maluku Islands of Indonesia, contains the following four contributions:
- A review and iconography of the shelled terrestrial gastropods of Ambon (Moluccas, Indonesia), including the description of seven new species and one new genus / Bank, R. A., Backhuys, W. & Vink, R. J.
- The shallow water Scaphopoda (Mollusca), including the description of three new species / De Jong, A. F. & Strack, H. L.
- An interpretation of the Neritidae and Neritopsidae (Gastropoda) in 'The Abonese Curiosity Cabinet' by Rumphius, with a discussion of the collected Nerita species / Krijnen, C. J. M., Goud, J. & Vink, R. J.
- Unveiling predator-prey interactions: The feeding preferences of Phyllidiidae nudibranchs (Gastropoda: Euthyneura) on sponges around Ambon, Indonesia / Brevé, J., Kaviani, K. K., Simanjuntak, P., Rahayaan, F., Djakiman, C., Limmon, G. & de Voogd, N. J.
New taxa: Georissa (Georissa) tenuisculpta n. sp., Moussonia wela n. sp., Moussonia spinulifera n. sp., Curvella andreae n. sp., Beilania ensiformis n. sp., Rumphivitrea n. gen., Rumphivitrea minutula n. sp., Liardetia brunneospiralis n. sp., Pulsellum destitutum n. sp., Pulsellum patulum n. sp., Dischides rumphi n. sp.