Description: The body is translucent white with a pale brown hue and has scattered patches of reddish-brown pigment. The cerata are numerous, unswollen and have 2-3 subterminal brown bands and a chocolate terminal cap. The oral and rhinophoral tentacles have one brown band. The mature specimens reached 29mm in length.

Habitat: Feeds on Kirchenpaueria pinnata.

Distribution: Known only from two specimens from Salcombe Estuary. Identified with Eubranchus vittatus by Picton & Brown and Thompson & Brown, but now considered by BEP to be an undescribed species.

Key Identification Features:

• Cerata with faint bands and chocolate brown caps
• Larger than Eubranchus vittatus

Distribution Map from NBN: Eubranchus sp. at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Eubranchus sp. at iNaturalist World Species Observations database.