Ophiocomina nigra, commonly known as the black brittle star or black serpent star, is a species of marine invertebrate in the order Ophiurida. It occurs in the north-eastern Atlantic Ocean, the North
Ophiothrix fragilis is a species of brittle star in the order Ophiurida. It is found around the coasts of western Europe and is known in Britain as the common brittle star. It is also found along the
Ophiocomina nigra
…and long-lived, not becoming mature before the age of three or four years. O. nigra is often found living in association with another brittle star, Ophiothrix fragilis. Numerous individuals of these two species sometimes form dense communities with hundreds of brittle stars per square metre. These beds may extend…
Ofiuroanemona
The common brittle star, Ophiothrix fragilis, Strangford Lough, Co. Down, Northern Ireland, -22 m, 5 September 2007.