Home > Invertebrates > Flatworms > Pseudobiceros splendidus

Updated 10/21/2021

Family Pseudocerotidae

INDO-PACIFIC / HAWAII

Pseudobiceros splendidus

Makapu'u tidepool, Oahu 

ORANGEMARGIN FLATWORM

Uncommon under stones in tidepools & shallow reefs.  Black with orange margin, tentacles part of the anterior margin compared to the Margined Flatworm.  Attains 2 inches.  Formerly known as Pseudobiceros periculosus.  Hawaii & the Indo-Pacific.