High Quality Content by WIKIPEDIA articles! Pachychilon macedonicum is a species of ray-finned fish in the Cyprinidae family. It is found in Greece and the Republic of Macedonia. Its natural habitats are rivers and freshwater lakes. It is threatened by habitat lossThe Actinopterygii constitute the class or sub-class of the ray-finned fishes.The ray-finned fishes are so called because they possess lepidotrichia or "fin rays", their fins being webs of skin supported by bony or horny spines ("rays"), as opposed to the fleshy, lobed fins that characterize the class Sarcopterygii which also, however, possess lepidotrichia.

Данное издание не является оригинальным. Книга печатается по технологии принт-он-деманд после получения заказа.