The common starfish, common sea star or sugar starfish (Asterias rubens) is the most common and familiar starfish in the north-east Atlantic. Belonging to the family Asteriidae, it has five arms and usually grows to between 10–30 cm across, although larger …

The common starfish, common sea star or sugar starfish (Asterias rubens) is the most common and familiar starfish in the north-east Atlantic. Belonging to the family Asteriidae, it has five arms and usually grows to between 10–30 cm across, although larger …

Asterias rubens, like most other starfish species, is carnivorous. It often feeds on bivalves, gastropods, and crabs. Asterias rubens makes use of its strong arms and tube feet while preying on bivalves like mussels. The suction on the tips of the tube feet allow it …

Asterias rubens is the most common and familiar starfish in the north-east Atlantic region. Asterias rubens may grow up to 52 cm in diameter, but commonly 10-30 cm. Asterias rubens is variable in colour, though usually orange, pale brown or violet.

Most species of Asterias are unisexual or dioecious, i.e., sexes are separate except a few species such as Asterias rubens which is hermaphrodite. There is no marked sexual dimorphism, however, during breeding season some sort of colour …

The common starfish or common sea star (Asterias rubens) is the most common and familiar starfish in the north-east Atlantic. Belonging to the family Asteriidae, it has five arms and usually grows to between 10–30 cm across, although larger specimens (up to 52 cm across) are known.

Asterias rubens and the British species allied thereto. Annals and Magazine of Natural History. 6 ser. 7: 469-479., available online at https://www.biodiversitylibrary.org/page/25164950 page(s): 477

The Common Starfish, Asterias rubens, is a species of starfish found in the northeastern Atlantic Ocean and the North Sea. It is one of the most familiar starfish species and is known for its robust, five-armed radial symmetry.

6 天之前 · Asterias rubens is a starfish that may reach a diameter up to 50 cm but its average size is about 15 cm. The common starfish has five cylindrical tapering arms ending with a photosensitive ocella. Its colour is variable: yellowish-brown, orange or violet. The lower face with the mouth is yellowish.

Asterias is a genus of the Asteriidae family of sea stars. It includes several of the best-known species of sea stars, including the (Atlantic) common starfish, Asterias rubens, and the northern Pacific seastar, Asterias amurensis. The genus contains a total of eight species in all.