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.
Stenooxybionts
Greek stenos - narrow, tight and oxys - sour and bios - life.Stenooxybionts are organisms that can l..
Stenophages
From the Greek στενός, "narrow, limited" and φᾰγεῖν, "to eat, devour".Stenophages are aquatic organi..
Stenothermic fish
From the Greek stenos - narrow and therme - heat, heat.Stenothermic fish are fish that can live only..
Stenotopic organisms
From the Greek stenos - narrow and topos - place.Stenotopic organisms are hydrobionts capable of liv..
Sterlet
The Sterlet (Acipenser ruthenus) is a freshwater fish of the genus Sturgeon. It reaches 125 cm in le..
Sticklebacks
Small fish 3-8 cm long (rarely up to 20 cm), weighing up to 5 g. The body is naked or covered with b..
Stizostedion lucioperca
Stizostedion lucioperca is a fish of the perch family. Length up to 70 cm (occasionally up to 130 cm..
Stone loach
The stone loach (Barbatula barbatula) is a freshwater fish of the genus Barbatula of the family Carp..
Sturgeons
Sturgeons (Acipenseridae) are a family of bony fish of the Acipenseriformes order. They are passable..
Stylophthalmus
Stylophthalmus is a stalk-eyed larva of idiacanths, rare inhabitants of the sea water column, charac..
Sublittoral
From Latin sub - under and litoralis - coastal.Sublittoral is a coastal shallow-water zone extending..
Subspecies
Subspecies - geographically localized populations that are genetically and taxonomically (at least 7..
Substratophile
A substratophile is an organism that requires substrate during the breeding season.Substrate - a bas..
Suction fishing gear
Fish pumps used to catch mainly schooling fish, attracted to the light or concentrated in the area o..
Supralittoral
From Latin supra - above, above and litoralis - coastal.Supralittoral - coastal strip, occasionally ..