About Arctosa cinerea (Fabricius, 1777)
Arctosa cinerea, originally described by Fabricius in 1777, is one of the most conspicuous wolf spider species found in central Europe. It has a generally Palearctic distribution, and has also been recorded in Congo. Adult females of this species reach a body length of 17 mm, while males only reach 14 mm. This spider lives exclusively on the sandy beaches of rivers, lakes, and oceans. Its grey-brown body color provides effective camouflage, so it is not often spotted, even though it moves around actively during daylight hours. These spiders dig holes in sandy ground, line their dug holes with silk, or alternatively hide under rocks.