Description: This solitary ascidian lives buried in clean sandy sediment with only the siphons showing. It is spherical in shape and its test is covered with fine sand.

Habitat: Open coast sites with clean sand sediments.

Distribution: Found all round the British Isles.

Similar Species: Compare with Molgula occulta which is similar but lives in muddier sediments.

Key Identification Features:

• Buried in clean fine sand
• Test covered with adhering sand particles

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

iNaturalist: Eugyra arenosa at iNaturalist World Species Observations database.

GBIF data for Eugyrioides arenosus

WoRMS: Eugyra arenosa at World Register of Marine Species. Accepted name: Eugyrioides arenosus (Alder & Hancock, 1848). AphiaID: 1864698.

Classification: Biota; Animalia; Chordata; Tunicata; Ascidiacea; Stolidobranchia; Molgulidae; Eugyra