
Bioblitz Battle Falmouth (April 2025)
12 Apr
2025
11:30am to 2pm
February 10, 2025
Belonging in the order Actiniaria, anemones are polyps with colourful tentacles resembling a flower, hence their name. They are voracious marine predators, closely related to jellyfish.
Actinia equina
•Colour varies from deep red to green
•Have bright blue beads called “acrorhagi”
•Often retract into jelly-like blobs when out of water to prevent drying out
•Found low to high shore
Actinia fragacea
•Large, bright red anemone, gets its name from the bright green spots on its column
•Often found in crevices and underhangs
•Found low to mid shore
Cereus pedunculatus
•Hundreds of short blue and white patterned tentacles
•Usually found half buried in substrate so that only tentacles are visible
•Wide mouth
•Found mid to low shore
Anemone viridis
•Long tentacles that do not withdraw
•Tentacles are vivid green with pink tips
•May also appear as uniformly brown/ pink in colour
•Found low to mid shore
Urticina felina
•Very colourful, banded tentacles
•Often has substrate attached to column
•Base up to 15cm
•Found low shore
Aulactinia verrucosa
•Short anemone
•Banded, translucent tentacles
•Brown/ grey with cream-coloured warts on column
•Found mid to low shore