Trematoda, Tape Worms: Infections by Larval and Other Tape Worms; and Nematoda in African Fish (A Review)

The article reviews the taxonomy, description diagnosis, pathology, life history and ecology epizootiology and control of Trematoda, Tape worms: infections by larval and other tape worms; and Nematoda in African fish to educate fish culturist on some problems and way forward in culture fisheries in Africa.Trematoda s a class of the phylum Platyhelmnthes whose members are all parasitic flukes. Most species are hermaphrodites, except the schistosomes in holdfast which the sexes are separate. Tape worms are cestodes, dorsoventrally flattened parasites. Generally the adults inhabits the intestines of their hosts, being anchored to the intestinal wall by means of type-specific organs. Nematoda is a phylum of invertebrate animals not closely related to each other, but with certain common characteristics. For instance, cylindrical unsegmented bodies; acoelomate structure; a gut composed of mouth, pharynx and an intestinal tube. Members of the phylum include round worms, threadworms and hookworms. Many nematodes are free-living in soil and water.