August Johann Rösel von Rosenhof the fathers of German entomology. The fourth part is practically a monograph of the spider Araneus diadematus. The description of the animal is illustrated by six plates which show the differences in variation of the colouring of the species. They show also internal dissections. Rosenhof was interested in the production of silk but he confused the anus with the opening of silk-producing glands. He published, between 1753 and 1758, "Historia naturalis Ranarum nostratium" devoted to frogs. The quality of the work, in particular of its illustrations, make it one of the most beautiful devoted to these animals. He presented the
European bass commercial fish widely cultured in the Mediterranean. The most important farming countries are Greece, Turkey, Italy, Spain, Croatia, and Egypt. Annual production was more than 120,000 tonnes in 2010. European bass is also known as lavraki (Greek: λαβράκι]), levrak (Hebrew: לברק), levrek or bayağı levrek (Turkish). loubina (Spanish) and loup de mer (French). European bass The European bass ("Dicentrarchus labrax") is a primarily ocean-going fish native to the waters off Europe's western and southern and Africa's northern coasts, though it can also be found in shallow coastal waters and river mouths during the summer months. It is one of only