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Fishes are a paraphyletic group and for this reason, the class Pisces seen in older reference works is no longer used in formal taxonomy.Traditional classification divides fish into three extant classes (Agnatha, Chondrichthyes, and Osteichthyes), and with extinct forms sometimes classified within those groups, sometimes as their own classes: [1]
Common names of fish can refer to a single species; to an entire group of species, such as a genus or family; or to multiple unrelated species or groups. Ambiguous common names are accompanied by their possible meanings. Scientific names for individual species and higher taxa are included in parentheses.
Class Chondrichthyes (cartilagineous fish - sharks and rays) Class Osteichthyes (bony fish), which has two subclasses: Actinopterygii (ray-finned fish) Sarcopterygii (lobe-finned fish) Full details of higher order fish taxonomy can be found in the Chordata article.
This is a list of fish families sorted alphabetically by scientific name. There are 525 families in the list.
This category contains subcategories corresponding to the taxonomy of fish as well as articles and subcategories relating to non-taxonomic fish groupings or subjects. Subcategories This category has the following 18 subcategories, out of 18 total.
They are peaceful and can live alongside other species of marine fish, including other wrasses. Also known as golden wrasse, golden rainbowfish, and canary wrasse; scientific name halichoeres chrysus.
List of cartilaginous fish; List of cichlid fish of Africa; List of cichlid fish of South America; List of commercially important fish species; List of Corydoras species; List of critically endangered fishes
A fish (pl.: fish or fishes) is an aquatic, anamniotic, gill-bearing vertebrate animal with swimming fins and a hard skull, but lacking limbs with digits.Fish can be grouped into the more basal jawless fish and the more common jawed fish, the latter including all living cartilaginous and bony fish, as well as the extinct placoderms and acanthodians.