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Fishing Terminology

General Terminology
Abiotic: Factors that are non-biological in nature but still play an important role in the organism’s environment.
Aquaculture: The keeping, breeding, hatching or culturing of fish (FRMA 1994).
Biodiversity: A diversity of species of plants and animals.
Broodstock: Animals that are used as breeding parents to obtain young stages for aquaculture.
Carrying capacity: The total number of individuals of a population that a given environment can sustain.
Catadromous: A catadromous fish spawns in salt water but spends most of its life in freshwater.
Ecologically Sustainable Development: Using, conserving and enhancing the community’s resources so that
ecological processes, on which life depends, are maintained, and the total quality of life, now and in the future, can be increased.
Ecosystem: A community of organisms interacting with one another and the environment in which they live.
Ecotourism Tourism which involves no degradation of the environment and which features places of ecological interest.
Fecundity: The number of eggs produced per female per unit time (often: per spawning season).
Fish Any aquatic organism, excluding aquatic mammals, aquatic reptiles, aquatic birds, amphibians or pearl oysters.
Fishery: A unit determined by an authority or other entity that is engaged in raising and/or harvesting fish. Typically, the unit is defined in terms of some or all of the following: people involved, species or type of fish,
area of water or seabed, method of fishing, class of boats and purpose of activity.
Fishing effort: The amount of fishing gear of a specific type used on the fishing grounds over a given unit of time e.g. hours trawled per day, number of hooks set per day or number of hauls of a beach seine per day.
Mariculture A subset of aquaculture where the activities involve marine and/or estuarine species.
Natural mortality Deaths of fish from all causes except fishing (e.g. ageing, predation, cannibalism, disease and perhaps increasingly pollution). It is often expressed as a rate that indicates the percentage of fish dying in a year;
e.g. a natural mortality rate of 0.2 implies that approximately 20 per cent of the population will die in a year from causes other than fishing. e.g. a natural mortality rate of 0.2 implies that approximately 20 per cent of the population will die in a year from causes other than fishing.
Population The total number of organisms in a species.
Productivity Relates to the birth, growth and death rates of a stock. A highly productive stock is characterized by high birth, growth and mortality rates, and as a consequence, a high turnover and production to biomass ratios (P/B). Such stocks can usually sustain higher exploitation rates and, if depleted, could recover more rapidly than comparatively less productive stocks.
Recruitment The amount of fish added to the exploitable stock each year due to growth and/or migration into the fishing area. For example, the number of fish that grow to become vulnerable to the fishing gear in one year would be the recruitment to the fishable population that year. This term is also used in referring to the number of fish from a year class reaching a certain age.
Refugia Areas in which flora and fauna species are able to survive despite the impacts of major threatening processes, for example, those associated with environmental or ecological change.
Resnagging Replacing snags in waterways.
Stock A group of individuals in a species occupying a well defined spatial range independent of other stocks of the same species. Random dispersal and directed migrations due to seasonal or reproductive activity can occur. Such a group can be regarded as an entity for management or assessment purposes.
Stream flow The amount of water passing a particular point in a stream or river.
Sustainable fishery A fishery that is consistent with ESD, that is, a fishery that uses, conserves and enhances the community’s resources so that ecological processes, on which life depends, are maintained, and the total quality of life, now and in the future, can be increased.
The commons Common property, that is, there are no restrictions to accessing the fish resource.
Translocation The transfer of aquatic organisms outside their natural distributional range.

Lake Lingo
Active fish: Easily caught fish. High levels of activity and metabolism.
Inactive fish: Hard to catch fish. Low levels of activity and metabolism. Can be due to weather and water conditions, or they could be full of food and at rest.
Suspended fish: Fish at mid water depths.
Points: Long finger like spurs and points that run from higher elevations into the river channels.
Breaklines: An abrupt change in contour or elevation.
Flats: Flat and often featureless country.
Channel: The bed of a river, stream or gully.
Drop off: Extreme contour change being near vertical.
Cove: small area of water between two spurs of land.
Bay: Large area of water between spurs of land.
Isolated structure: Significant obstruction lures are often lost ie. Stump log or rock.
Feeder creek: Small tributary running into a larger river or lake.
Headwater: Term used for describing the main river that fills a lake.
Weedline: An abrupt edge, of surface or subsurface vegetation.
Timberline/ brushline: An abrupt edge of dead or living timber or small shrubs.
Main lake basin: Where significant proportions of lake water is stored over a large area.
Catchment: A geographical area where waters drain via a major river system. Mountain to sea.
Forage: Baitfish, insects and crustacea that fish eat.
Lake zones: The water in a lake can be divided up into identifiable zones

SI: Side Imaging
Transducer: The part of a fish finder that goes into the water. It sends & recieves the radio frequency
GPS: Global Positioning System
Chart Plotter: a electronic device that shows (on a screen) a background map of the water & land. Usually shows depth contours, tide information, navigation aids / beacons. Normally requires a chart to be inserted into the unit.

Slang Terms
Bricked: A term used to describe when a fish runs into rocks or snags & hangs your line up. Also a method to make camels drink more water.
Skunked: Went fishing and caught nothing. Not happy....
Boof: Loud noise associated with a surface feeding fish or surface strike. Also used to descibe your fish mates appearance - "Boof Head".
FIGJAM: F*$k I'm Good Just Ask Me. Term to descirbe egotistical person. He's a bit of a FIGJAM isnt he...
TIUTA: Takes It Up The Ar$e. This spot TIUTA......

Copyright© 2000 Garry Fitzgerald. Sweetwater Fishing Australia