The observations were made during fieldwork on coral
reefs in the Semporna district (eastern Sabah, Malaysia),
as part of the Semporna Marine Ecological Expedition in
December 2010 (SMEE2010). The reported observations
were made on Creach Reef (04°18′58.8″N, 118°36′17.3″
E) and Pasalat Reef (04°30′47.8″N, 118°44′07.8″E), at
approximately 10 m depth for both observations. The
nudibranch identifications were checked against Gosliner
et al. (2008), whereas the identification of the sea
anemone was done by A. Crowther. No material was
collected. Photos were taken with a Canon 400D with a
Sigma 50-mm macro lens.