Many different kinds of animals have adopted a parasitic life style on the skin and gills of marine and freshwater fishes, including protozoans, flatworms, leec

There has been a continual expansion in aquaculture, such that total production is fast approaching that of wild-caught fisheries. Yet the expansion is marred b

Examines animals that feed on blood, including mosquitoes, vampire bats, lice, leeches, lampreys, and fleas, and looks at their anatomy, behavior, and interacti