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.
Coregonus lavaretus
Coregonus lavaretus is a fish of the genus Stenodus, family Coregonidae. They live in the basins of ..
Coregonus tugun
Coregonus tugun is a freshwater fish of the whitefish genus, whitefish family. Endemic of Siberia. I..
Corium
Latin corium, from Greek chórion - skin.Corium - the skin proper, a loose connective tissue layer un..
Cosmoid scale
Cosmoid scales are a special type of scale found in some fossil bony fishes, bipedal fishes, many cy..
Cosmopolitans
From Ancient Greek κοσμοπολίτης - "cosmopolitan, citizen of the world" ← κόσμος - "world" + πολίτης ..
Cottidae
Cottidae is a family of fishes of the order Scorpaeniformes. The body is naked or covered with spine..
Counternatant migrations
Fish movements during migrations are diverse in their length, direction and character. There are dif..
Crabs
An infraorder of ten-legged crustaceans living in salt and fresh water.Crabs (Brachyura) are short-t..
Craniumless (Acrama)
A subtype of chordate. The vertebral column is not isolated. The axial skeleton is chordate. The sku..
Crossbreeding
Crossbreeding - obtaining offspring from producers belonging to different breeding groups (breeds, i..
Crossopterygii
Crossopterygii is an infraclass (subclass) of Sarcopterygii fishes. An ancient group of bony fishes,..
Crucian carp
The name comes from Lower German karusse or karutze, possibly from medieval Latin coracinus (a type ..
Crustaceans
Crustacea is a class of invertebrates of the Arthropoda type. It includes animals with body length f..
Cryobionts
Greek kryos - cold, frost, ice and biontos - living.Cryobionts - organisms (cryoplankton, some worms..
Ctenoid scales
Ctenoid scale is a bony scale with a serrated posterior edge (perch, ruff). It sits firmly in the sk..