The ‘naked lungs’ of a Nembrotha kubaryana, one of the only Nudibranchs to have neon colouring.
A photomicrograph depicting the calcium carbonate tests of ten species of marine foraminiferans. Upon death, their tests can form calcareous marine sediments known as foraminiferan ooze. (via NBII LIFE)
Cool animals, cool word!
Clark’s anemonefish (Amphiprion clarkii) by Rory Ferguson.
N.B. Clownfish are a type of anemonefish.