fish barrier
weir (nets or fences set in streams or along the coast to direct fish into a holding container for easy capture. Some weirs take advantage of the falling tide to capture fish while others catch upstream migrating adults)

Dictionary of ichthyology. 2009.

Look at other dictionaries:

  • fish-barrier — weir (nets or fences set in streams or along the coast to direct fish into a holding container for easy capture. Some weirs take advantage of the falling tide to capture fish while others catch upstream migrating adults) …   Dictionary of ichthyology

  • Fish species of Aravaipa Canyon — Aravaipa Creek, a tributary of the San Pedro River that runs through Aravaipa Canyon in southeastern Arizona, is home to seven native fish species, all of which are found naturally in this location.[1] Although each of these species can be found… …   Wikipedia

  • Fish — /fish/, n. Hamilton, 1808 93, U.S. statesman: secretary of state 1869 77. * * * I Any of more than 24,000 species of cold blooded vertebrates found worldwide in fresh and salt water. Living species range from the primitive lampreys and hagfishes… …   Universalium

  • Fish ladder — Fishways, most commonly called fish ladders but also known as fish passes and in Australia also referred to as fish steps, are structures on or around artificial barriers (such as dams and weirs) to facilitate diadromous fishes natural migration …   Wikipedia

  • fish — fishless, adj. /fish/, n., pl. (esp. collectively) fish, (esp. referring to two or more kinds or species) fishes, v. n. 1. any of various cold blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with …   Universalium

  • Fish screen — A fish screen is a barrier designed to prevent fish from swimming or being drawn into an aqueduct, cooling water intake, dam, or other diversion on a river, lake, or other waterway where water is taken for human use. Fish screens are typically… …   Wikipedia

  • Barrier Reef Anemonefish — Taxobox name = Barrier Reef Anemonefish status = regnum = Animalia phylum = Chordata classis = Actinopterygii ordo = Perciformes familia = Pomacentridae subfamilia = Amphiprioninae genus = Amphiprion species = A. akindynos binomial = Amphiprion… …   Wikipedia

  • fish elevator — a space at the base of a barrier (like a dam) into which fish swim. When enough fish accumulate in the collection area, they are nudged into a hopper that carries them into a flume that empties into the river above the barrier. Several hundred… …   Dictionary of ichthyology

  • Fish counter — Automatic fish counters are automatic devices for measuring the number of fish passing along a particular river in a particular period of time. Usually one particular species is of interest.One important species studied by fish counters are… …   Wikipedia

  • fish trap — noun : a device for catching fish that consists of a net or other structure which diverts the fish into an enclosure so arranged that egress is more difficult than ingress * * * fish trap, a trap for catching fish, having a funnel shaped entrance …   Useful english dictionary

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