Ampharete acutifrons (Grube, 1860)
Up to 45 mm long and bigger in Arctic waters.
Thick and loose, straight cylindrical tube of mud and sand lined with a thin secretion.
Living male greenish white, female yellowish pink, gills green, intestine brick red and visible through the transparent body wall.
In alcohol pale yellow.
On all types of level bottoms, ranging from silt to coarse sand.
Suburface deposit feeder.
Larvae – not pelagic.
Widely distributed Arctic-boreal species.