Tropical Indo-West Pacific.
Heron Is., Queensland, Australia.
32mm long alive, Mbudya Is, Dar es Salaam, Tanzania, November 1976. Bonege, Guadalcanal, Solomon Islands, November 1983. Chromodoris aureomarginata, C. verrieri and C. fidelis colour groups. It had adhered to the sponge on a rock with a depth of 0.5m. Water temperature is 25 degrees and a size is about 20mm.