Monday, May 26, 2014

BASIC TERMS USED IN FISH FARMING

Many of us in the process of making some researches always come across some terminologies being used in fishery, but here are some basic terms being used, it will definitely make it easier to understand your researches.

Aquaculture - also known as aquafarming, it is the controlled growth of aquatic species.

Pisciculture - aquaculture practice involving finned fish.

Extensive aquaculture - managed aquaculture dependent on the local natural setting, such as a pond or coastal sea area.

Intensive aquaculture - managed aquaculture controlled through human engineered means, such as managing water quality and sources of food.

Fish farm - locations used to grow populations of aquatic organisms, primarily fish.

Fish Hatchery - one form of a fish farm, managed with the intent of resupplying native wild populations in natural environments.

Ornamental fish - are small fish, such as koi, which are typically grown to be kept in aquariums or small landscape ponds.

Game fish - Fish, such as trout, raised to become replenishment stock for natural sport fisheries.

Wild fishing harvest - the commercial and personal fishing consumption in a specific area and over a specific time frame.

Fish farming Water Quality - the characteristics of water, such as water temperature and contamination, which define its ability to sustain life and its purity from chemicals.

Culture tanks - Artificial holding areas used to rear fish farm stocks.

Fish husbandry - the breeding and rearing of fish for a variety of reasons.

Anadromous fish - migratory fish that live in salt water but breed in fresh water.

Catadromous fish - migratory fish that live in fresh water but breed in salt water.

Amphidromous fish - migratory fish that live in both fresh and salt water, independent of breeding.

Potamodromous fish - migratory fish that move within fresh water only.

Oceanodromous fish - migratory fish that move within salt water only.

Genotyping - determining the genetic makeup of a fish or stock or the purpose of managing the efficiency of aquaculture production.

In vitro fertilization - artificially fertilizing fish eggs in a laboratory setting.

Fish meal - commercially processed food source used in fish farming as a source of protein for the fish stock.

Fry - Development stage of fish immediately after the larvae stage, at an age of less than a week.

Fingerling - Development stage of fish following the fry stage and continuing into the first three to four months of life.

Yearling - Development stage of fish following the fingerling stage and lasting until approximately one year of age. Brood stock - fish of any particular species which are raised for reproduction purposes.

Fish kill - a description of the number of fish stock to die in a specific amount of time. Pond acreage - area committed to extensive aquaculture holdings at a fish farm or company.

Environmental Overfishing - detrimental practice of removing more of a natural aquatic species than what natural reproduction can support.