Share

feather star

Paul Naylor

Rosy feather star

Enw gwyddonol: Antedon bifida
Another member of the echinoderm phylum, feather stars share some characteristics with true starfish, but also have their very own intriguing adaptations and behaviours, which make them a fascinating find for SCUBA divers!

Species information

Category

Ystadegau

Diameter 10-20 cm, most abundant between depths of 15m and 40m.

Statws cadwraethol

Common.

Pryd i'w gweld

April – October when SCUBA diving.

Ynghylch

Only found in deeper water, feather stars spend most of their time anchored to the seabed, seaweed or sometimes sponge, using extremely strong claw like appendages. They are suspension feeders, sifting out bits of plankton from the surrounding seawater using their tube feet, a characteristic of all echinoderms!

Sut i'w hadnabod

Ten feathery arms, 5-10cm in length and usually red and white in colour, sometimes looking mottled.

Dosbarthiad

Common around British coast, except for south east.

Habitats

Roeddech chi yn gwybod?

Feather stars can swim by sweeping their arms and down!