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.
Physolisti
Physolisti - fish in which the swim bladder is closed (perch, stickleback, pikeperch, etc.). Filling..
Phytophiles
Phytophiles are an ecological group of fish that hatch sticky eggs in standing or low-flowing water ..
Phytoplankton
From the Greek φυτóν - plant and πλανκτον - wandering, wandering.Phytoplankton - microscopic plant o..
Pisciforma
Pisciforma (hagfish and lampreys) - characterized by the absence of separate jaws and bone tissue in..
Pituitary gland
The pituitary gland is an endocrine gland located at the base of the brain (lower cerebral appendage..
Pituitary injections
From the Greek hypóphysis a spur.Pituitary injections are a method of stimulating fish reproduction ..
Placoid scales
From the Greek plah - plane, plate and eidos - kind, form. Placoid scales are the most ancient scal..
Plankton
The Greek πλανκτόν is "wandering."Plankton is a set of organisms inhabiting the water column of cont..
Planktophagous
Planktophagi - fish whose food is mainly planktonic organisms, nasslyayuschayuschayuschayus water co..
Platybasal skull
From the Greek platýs, broad, and básis, base.Platybasal skull - skull with a broad base, widely spa..
Pleuronectidae
Pleuronectidae is a family of fishes of the order Pleuronectiformes. The body is compressed from the..
Pleuston
From Greek plēusis - swimming, plēō - I swim.An aggregate of hydrobionts with part of their bodies i..
Poaching
Illegal fishing in prohibited places, with prohibited fishing tools and methods, at prohibited times..
Poikiloosmic
From Greek poikílos - different, changeable and osmós - push, pressure.Poikiloosmic organisms - orga..
Poisonous fish
Poisonous fish - a group of fish whose organs and tissues are poisonous due to their chemical compos..