Araneus praesignis mm) and females (7 mm) of "Araneus praesignis" have large black decorations on the upper rear (dorsal posterior) of the abdomen, thought to be a case of Batesian mimicry where an animal has markings making it appear larger and more threatening than it really is. The spider was described by Ludwig Koch in "Die Arachniden Australiens", 1872. "Araneus praesignis" shelters during the day in a silk-bound retreat made in a non-fully-closed leaf nearby where its web is erected at night. Its food is night-flying insects and other invertebrates. It is harmless to humans and can be handled by people without
Hyas coarctatus of the walking legs is often more or less furry. "H. coarctatus" is found at both hard, stony, sandy and soft bottoms from 1 to 500 meters depth, though most often above 50 meters. "H. araneus" inhabits shallower depths. "H. coarctatus" is widely distributed in the North-East Atlantic and adjacent seas. The northern border is around the north and west coas5w of Spitsbergen and Barents Sea, in the south it is found down to the north-east coast of France, and in the east to the Western Baltic Sea, the Belt Sea and the Öresund. Hyas coarctatus Hyas coarctatus is a