There are always so many nudibranchs on the anchor by the Rozi. Today was no exception: this is a Flabellina affinis showing off.
Tue Apr 16 08:54:43 2019
15°C, depth 35 m
f/4.5, 1/2000, ISO 250, 70 mm
Wet lens: AOI UWL-09 Wide Angle