plural of sea fir

plural of sea colewort

plural of sea bug

A sertularian hydroid, especially Abietinaria abietina, which branches like a miniature fir tree.

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

plural of sea dace

The European seabass.

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

plural of sea heath

A large blackish seaweed (Agarum turneri) with perforated fronds.