Description: This species of Jorunna is recently described (Neuhaus et al., 2021) and is subtly different in colouration from other Jorunna species. The mantle is velvety in appearance and plain yellow to beige in colour with a small number of contrasting dark brown markings. Individuals may reach a length of up to 55 mm. The spawn is a broad ribbon with a fluted edge laid in a neat, tight coil.

Habitat: This species has only been found in the circalittoral zone in sponge rich habitats. Feeds on Haliclona urceolus.

Distribution: Currently thought to be a northern species; there are records from Northern Ireland and western Scotland.

Similar Species: Could be confused with Jorunna tomentosa.

Key Identification Features:

• Mantle covered with even spiculose velvetly tubercles.
• Plain beige to pale yellow in colour with a few dark spots.

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

iNaturalist: Jorunna artsdatabankia at iNaturalist World Species Observations database.

WoRMS: Jorunna artsdatabankia at World Register of Marine Species.