Anterior and dorsal views of O. vulgaris swimming with posterior mantle bag foremost by jet propulsion of water from respiratory funnel.
Falmouth, Cornwall, England, in unusually hot summer, August 2022 © J. Chatfield.
Anterior and dorsal views of O. vulgaris swimming with posterior mantle bag foremost by jet propulsion of water from respiratory funnel.
Falmouth, Cornwall, England, in unusually hot summer, August 2022 © J. Chatfield.