1. Cuthona caerulea. Juvenile, length 3mm. Dorsal band of diffuse white pigment. Pale lemon tint on oral tentacles and rhinophores. Cerata in distinct groups. LWS, Menai Strait, Wales. September 2011.
2. Cuthona caerulea. Juvenile, length 3mm. Dorsal band of diffuse white pigment. Pale lemon tint on oral tentacles and rhinophores. Cerata in distinct groups. LWS, Menai Strait, Wales. September 2011.

Cuthona caerulea. Juvenile, length 3mm. Dorsal band of diffuse white pigment. Pale lemon tint on oral tentacles and rhinophores. Cerata in distinct groups. LWS, Menai Strait, Wales. September 2011.