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Bioacoustics – in underwater acoustics and fisheries acoustics this term is used to mean the effect of plants and animals on sound propagated underwater, usually in reference to the use of sonar technology for biomass estimation; Bimodal – a bimodal distribution is a distribution with two different modes which appear as distinct peaks. An ...
According to the FAO, "...a fishery is an activity leading to harvesting of fish.It may involve capture of wild fish or raising of fish through aquaculture." It is typically defined in terms of the "people involved, species or type of fish, area of water or seabed, method of fishing, class of boats, purpose of the activities or a combination of the foregoing features".
Fish mortality – Fish mortality is a term widely used in fisheries science that denotes the loss of fish from a stock through death. Condition index – The condition index in fish is a way to measure the overall health of a fish by comparing its weight with the typical weight of other fish of the same kind and of the same length.
A fishery is an area with an associated fish or aquatic population which is harvested for its commercial value. Fisheries can be wild or farmed. Most of the world's wild fisheries are in the ocean. This article is an overview of ocean fisheries.
Tallness and narrowness of the skull. In fish, the term usually refers to an "elongate highly compressed transparent, ribbon-like larval stage". liver A digestive and storage organ. longitudinal series (scales) The number of scale rows above the lateral line from the first pored lateral line scale to the caudal fin base. lunate
A slot limit is a tool used by fisheries managers to regulate the size of fish that can legally be harvested from particular bodies of water. Usually set by state fish and game departments, the protected slot limit prohibits the harvest of fish where the lengths, measured from the snout to the end of the tail, fall within the protected interval. [1]
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Catch and release A rod-caught Atlantic salmon being released on the Little Gruinard in Wester Ross, Scotland "No Barbs" sign on Ribnik River in Bosnia and Herzegovina. Catch and release is a practice within recreational fishing where after capture, often a fast measurement and weighing of the fish is performed, followed by posed photography as proof of the catch, and then the fish are ...