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.
Pollachius virens
Pollachius virens is a marine fish of the cod family. Body length up to 1.2 m. Weight up to 10 kg, u..
Pollock
Pollock (Theragra chalcogramma) is a marine fish of the cod family. Length up to 77 cm, usually 34-5..
Pollution of the reservoir
Pollution of the reservoir - changes in the composition and properties of water as a result of natur..
Polychaeta
Class of ringed worms. Known since the Cambrian. Most live in the sea - on the bottom, near the bott..
Polygamy
From the Greek πολύς "numerous" and γάμος "marriage".Polygamy is a phenomenon observed among fish wh..
Polypteridae
Polypteridae is a family of fishes of the Polypteriformes order. The body is elongated, covered with..
Polysaprobes
From Poly... and Greek saprós, rotten, and bíos, life.Polysaprobes are organisms that grow in signif..
Polysaprobic pond
Heavily polluted, with a high content of organic matter, almost complete absence of oxygen, accumula..
Polytypic species
A species consisting of smaller taxonomic units (subspecies) distributed in different parts of its r..
Population
From the Latin populatio - population.A population is a group of individuals of the same species occ..
Population dynamics
Population dynamics is a branch of ecology that studies periodic and non-periodic changes in the num..
Porcine spawning
Porcine spawning is the process of hatching eggs in several stages, in separate portions that mature..
Porcupinefish
Porcupinefish is a family of fishes of the order of Needlefish (Tetraodontiformes). The body is shor..
Predatory fish
Predation is a way of preying on and eating animals that is based on preying on and eating other ani..
Pressed caviar
Pressed caviar eggs are flat and dense. The specific taste is ensured by a combination of slightly d..