A kind of seaweed (Chorda filum) with long blackish cord-like fronds.

A large American holothurian (Psolus fabricii) with a bright orange convex body covered with finely granulated scales.

Any saltwater snail; a marine gastropod mollusk with a shell (contrasted with sea slug).

A low perennial plant (Frankenia laevis) resembling heath, growing along the seashore in Europe.

A kind of blackish seaweed (Himanthalia elongata) found on the northern coasts of the Atlantic, with a thong-like forking process rising from a top-shaped base.

plural of sea-bow

rock samphire, Crithmum maritimum

A stalked sea squirt, of the genus Boltenia.

plural of sea pear

A bird, the little auk.