Geometric Nudibranch (Goniobranchus geometricus) キカモヨウウミウシ – size 4cm
The Geometric Nudibranch has black lines on top separating white patches with white bumps, The rhinophores and the gills are yellow/green. The mantle has a dark edge with purple underneath. The front of the mantle waves around as it moves. Amami 2026
Geometric Nudibranch on algae. It was moving and the front skirt was waving. Amami 2026
Geometric Nudibranch with the purple underside of the mantle visible. Amami 2026
The Geometric Nudibranch with a better view of the gills. Amami 2026