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
European perch European perch Perca fluviatilis, commonly known as the European perch, perch, redfin perch, big-scaled redfin, English perch, Eurasian perch, Eurasian river perch or common perch, is a predatory species of perch found in Europe and northern Asia. The species is a popular quarry for anglers, and has been widely introduced beyond its native area, into Australia, New Zealand, and South Africa. They have caused substantial damage to native fish populations in Australia and have been proclaimed a noxious species in New South Wales. European perch are greenish with red pelvic, anal and caudal fins. They have five to eight dark