CONSERVATION OF FISH AND SHELLFISH RESOURCES

Abstract

The earth's inland, coastal and marine waters contain a remarkable diversity of animal species. The variety of form and function found in aquatic environment clearly represents a wealth of biological diversity
Chemical modifications of aquatic environments results primarily from pollutants , which are introduced directly or come from runoff or other indirect sources Nile Tilapia is an omnivore that feeds on both plankton and aquatic plants.Group of Nile Tilapia establish a social hierarchies. Aquaculture of Nile Tilapia dates back to Egypt. Hybrid stock is also used in aquaculture
Asian Carp have been a popular food fish in Asia for thousands of year. However, many people in North America associate Asian carp with common carp, a bottom feeding and highly bony fishes.

The distribution of Atlantic Salmon depends on temparature. Mostatlantic salmon follows an anadromous fish migration pattern.