While snorkeling along a stretch of coral reef on Redang Island in Malaysia we found this Adanson's slit shell in a few meters of seabed. The encounter, quite unusual given that the mollusc lives at great depths, is due to the fact that it was probably brought there by some deep-sea fisherman while cleaning the fishing nets...

Felimare picta is a species of colourful sea slug or dorid nudibranch, a marine gastropod mollusk i the family Chromodorididae. The color of the body is variable and goes from blue to purple, yellow or green, with irregular yellow spots. It can reach up to 20 centimeters in length.

Phalium glaucum, common name the grey bonnet or glaucus bonnet, is a species of large sea snail, a marine gastropod mollusk in the family Cassidae, the helmet snails and bonnet snails. This species lives on sandy bottoms with seagrass meadows, in intertidal and shallow subtidal areas to a depth of about 10 m. Shell of Phalium glaucum can reach a length of 60-147 millimetres.