Fishery

The composition of the feed changes according to the nutritional needs of the fish: when it is a larva, it requires a high protein level,… Read More »Fish Feed Formulations, Care and Packages

Fish like any other livestocks especially farmed for commercial purpose will need food in order to sustain itself and to carry out other metabolic activities… Read More »Nutritional Requirements of Fishes for Optimum Performance

Good nutrition in animal production systems e.g. fish nutrition is essential to economically produce a healthy, high quality product. In fish farming, nutrition is critical… Read More »Fish Nutrition, Feeds and Feeding

Phytoplankton are microscopic photosynthetic organisms found suspended in water Phytoplankton are found in most bodies of fresh and salt water, including channel catfish ponds. Soon… Read More »The Importance of Water Quality in Aquaculture

In Aquaculture, fish perform all their bodily functions in water. Because fish are totally dependent upon water to breathe, feed and grow, excrete wastes, maintain… Read More »Water Quality Management in Aquaculture

Freshwater invertebrates consistently play decisive role in the functioning of all aquatic ecosystems through their diverse participation in energy flow, nutrient recycling, and population regulation.… Read More »Diversity Pattern and Ecological Roles of Freshwater Invertebrates

Flowing waters integrate the landscape. As water flows from mountain tops to valleys and ultimately to lakes and oceans, it collects runoff, sediments, nutrients, and… Read More »Fishes as Indicators of Environmental Quality

Fishery biodiversity, from individual populations to whole species and even complex communities, has been declining in response to the reduced health of aquatic ecosystems and… Read More »Fishery Biodiversity Conservation

Every fish farmer desires to make profits from his or her fish farming business, however, fish diseases can affect the overall performance of the fishes… Read More »Types of Fish Diseases and Methods of Prevention/Treatment

Fish is suspected to be diseased when there is a change in the normal behaviour and the physical nature of the fish. A well observant… Read More »How Does a Farmer Know His Fish Is Diseased?

Fish disease is an unhealthy fish body condition. It is a departure from the normal wholesome state of the fish. A condition of discomfort or… Read More »Fish Health and Disease Management

1. Spawning and Fry Production Many different hormonal preparations have been successfully used to induce spawning in African catfish. Some of these include HCG, DOCA,… Read More »Fingerlings Production and Hatchery Management

Given the growing importance of both production and consumption of global fish products in developing countries, the fish sector would seem to offer important opportunities… Read More »Practical Ways of Ensuring Sustainable Fish Production

Much as aquaculture practices is becoming widely accepted in the country considering the rate of fish farm proliferation, there are stepwise technical and essential aspect… Read More »The Ideal Fish for Farming

It is a known fact that effective management plays a vital role in the success of aquaculture business both on a large and small-scale level.… Read More »Fish Pond Preparation and Management

The seemingly inexhaustible oceans have proved to be finite after all. Landings of wild fish have levelled off since the mid-1980s, many stocks of fish… Read More »The Best Practices of Fish Production and Management

The early fossil record on fish is not very clear. It appears it was not a successful enough animal early in its evolution to leave… Read More »Evolution and the Study of Fish (Ichtyology)

Living in a marsh environment is a tradeoff for plants. On the one hand, they are protected from drought and extreme temperature variation, and they… Read More »Features for Adaptation of Plants to Aquatic Life

Adaptation is a natural phenomenon which is applicable to all living organisms including fish. It is the capacity possessed by the organism living in an… Read More »Features for Adaptation of Fish Aquatic Environment

Aquatic environment include freshwater, brackish water and marine which are all in various forms. Fresh water may include lakes and ponds which are static or… Read More »Aquatic Environment, Classes of Aquatic Organisms and its Limiting Factors

1. Order Acipenseriformes (Sturgeons and Paddlefishes) This order contains two families, the sturgeons (Acipenseridae) and the paddlefishes (Polyodontidae – see below) both of which occur… Read More »Classification of Some Exotic/Foreign Fin Fish Species