FISH DIVERSITY OF NIGERIA

Fisheries

Nigeria has diversity of fin and shell fish fauna consisting of over 250 species in Inland waters with about 101 species (22 families) in Kainji lake alone (Ita 1993) 86 of them in lake Chad (Hopson 1967), 25 species (10 families) in Tiga lake (Ita 1985) 21 species (10 families in Bakolori (Ita 1993) and … Read more

FISHES AND THEIR ENVIRONMENT

Fisheries

Every fish culturist should know the main characteristics of fish and their way of life. The knowledge enables to understand the relations existing between the fish and the environment and the way they can reap advantage from it. The fish will be first studied and then its environment will be described. THE FISH First anatomy, … Read more

CLASSIFICATION OF FISH OR AQUATIC ANIMALS

Fisheries

CLASSIFICATION A system of classification provides the means for resolving the problem of the origin and evolution of life. Classification involves scientific philosophy that uses inductive procedures. Primary function of classification is to create order out of chaos by leading to accurate identification of individuals and to their ranking or arrangement into various taxa since … Read more

INTRODUCTION TO FISHERIES MANAGEMENT

Fisheries

ICTHYOLOGY is the scientific study of fish. Fish, because of the possession of notochord belong to the phylum chordata. They are most numerous vertebrates. About 20,000 species are known to science, and compare to other classes, aves 98,600species and mammals 8600species, reptiles 6,000 spandamphibians 2,000species.Fish also in various shape and forms from the smallest niamoy17mmT.L … Read more