Acanthozoon sp. 1

Scientific name : Acanthozoon sp. 1

Large polyclad (up to 10 cm), with a background colour irregularly stained in black and white. Back covered with orange tipped papillae. A white line all along the edge.
Found in lagoon or in the back reef. Often hidden below boulders or corals.
It resembles to Thysanozoon nigropapillosum, the latter has a black background colour, shorter papillae with yellow tip.