Dictionary of Ichthyology
This dictionary of ichthyology contains specialist terms used in the teaching of undergraduate students. The terms are arranged alphabetically for ease of reference.
In addition to ichthyology, terms from hydrobiology, zoology, anatomy, fish farming and other related disciplines are included.
Where terms have different interpretations, we have assigned the most common interpretation in our view.
This dictionary is constantly being added to and modified.
If you do not agree with the above interpretation of the Terms, please explain your understanding in the comments to these Terms.
We invite you to participate in the development of a modern ichthyological vocabulary.
We will consider any criticism and take it into account when describing dictionary terms.
Venteris
From the Lithuanian vénteris, a wherry made of willow twigs.A passive fishing gear. Belongs to the t..
Verkhovina
A hydraulic structure that blocks the flow of water to prevent fish from escaping. Built at the top ..
Vicarious species
From Latin Vicarius — substitute.Similar fish species occupying different ranges - areas of distribu..
Vimba vimba
Vimba vimba is a fish belonging to the carp family. They inhabit the waters of Western Europe and th..
Vitamins
Organic compounds. They are active groups (cofactors) of enzymes, which are necessary in small quant..
Vulnerable species
Vulnerable species, VU - Fish species whose numbers have declined dramatically and reached critical ..
Vyaziga
A food product that is obtained from the shell of a chord or dorsal string passing through the carti..
Warm-loving fish
Warm-loving (warm-water) fish - fish whose main life processes occur in southern reservoirs in the s..
Water balance
The relationship between inflow, outflow and accumulation of water under natural conditions for a ri..
Water Cadastre
A collection of systematised information on the country's rivers, lakes, swamps, seas, glaciers and ..
Water consumption
Consumption of water from a reservoir or water supply system. A distinction is made between the use ..
Water content of the river
The amount of water brought by the river over a certain period of time, compared to the average.Dist..
Water hardness
Water hardness is the content of calcium and magnesium ions in water. It is expressed in milligrams ..
Water Management
The use of water for domestic purposes. Water use is often associated with changes in the species co..
Water objects
Any form of water concentration on the land surface - rivers, lakes, swamps, reservoirs, glaciers, o..