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.
Incubation of eggs
Incubation of eggs is the process of development of fertilized eggs in a pond or in incubation devic..
Incubation period
Latin incubatio — aging, hatching, breeding.The incubation period is the time of embryo development ..
Individual
From the Latin individuum - indivisible.An individual is an independently existing organism, synonym..
Individual absolute fecundity
Individual absolute fecundity is the number of eggs carried by a female during one spawning period...
Inner fat of fish
Fat deposited on the inside of the fish. The degree of fatness is determined by a 5-point Prozorovsk..
Intensity of nutrition
The intensity of nutrition is the ratio of the raw weight of the contents of the digestive tract con..
Intestinal respiration
Intestinal respiration is an auxiliary respiration in the finch and puffer, some catfish and carp fi..
Intoxication of fish
Latin in, in + Greek toxikon poison.Fish intoxication - poisoning caused by the action of toxins of ..
Intraspecific competition
This is an interaction in population ecology where members of the same species compete for limited r..
Intraspecific groupings
Pack, elementary population, herd, ecological race, geographical race (subspecies). Their formation ..
Introduction
From the Latin introductio - introduction.Introduction - the relocation by man or accidental introdu..
Invasion
From the Latin invasio - invasion, attack.Invasion is a term meaning the infestation of an organism ..
Invasive diseases
Invasive diseases are caused by protozoa (ciliated infusoria, flagellates, sporozoa), various parasi..
Invertebrate drift
Invertebrate drift - drift of benthic (benthic) hydrobionts downstream of a river.The movement of aq..
Invertebrates (Invertebrata)
The word "invertebrate" comes from the Latin word vertebra, which means a joint in general, and some..