The major aim of this work is, to help clarify the interrelationships of catfishes, with major implications on the study of the general evolution of these fishe

An understanding of gonorynchiform morphology and systematic inter- and intra-relationships has proven vital to a better understanding of the evolution of lower

The highly anticipated second volume of Freshwater Fishes of North America, a monumental, fully illustrated reference that provides comprehensive details on the

It is perhaps because fishes live in a buoyant medium, whether it be fresh or sea water, that they show a diversity in body shapes that is unparalleled by other

Most textbooks and atlases of human anatomy chronicle only a few cases of muscle variations in the "normal" human population, or of muscle anomalies within cong