Terebellides stroemii (Sars, 1835)
Up to 75 mm for 60 segments.
Alive: pink or orange, branchial lamellae red, tentacles brownish. In alcohol yellowish, faintly iridescent.
On sediments ranging from pure mud to clay or fine sand, including all forms of mixed bottoms. Most abundant on muddy bottoms. Eulittoral to a depth of about 3000 m. Species very sensitive to organic enrichment and present under unpolluted conditions.
Surface deposit feeder.
Encapsulation of embryos in a gelatinous mass with direct development.