Search results
Results from the WOW.Com Content Network
There are 531 species of fishes in Pakistan, of these, 233 are freshwater fish. [1] The mahseer is the national fish of Pakistan. Notopterus notoperus; Notopterus chitala; Naziritor zhobensis; Triplophysa stoliczkai - found only in Deosai; Diptyichus maculatus - found only in Deosai; Ptychobarbus conirostis - found only in Deosai
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.
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more
Fishes of the World is a standard reference for the systematics of fishes. It was first written in 1976 by the American ichthyologist Joseph S. Nelson (1937–2011). Now in its fifth edition (2016), the work is a comprehensive overview of the diversity and classification of the 30,000-plus fish species known to science.
Class Cephalaspidomorphi - lampreys; Superclass Gnathostomata Vertebrates with jaws 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.
Upload file; Search. Search. Appearance. Donate; Create account ... Download as PDF; Printable version; In other projects ... This is a list of fish families sorted ...
The world's deepest living fish, Abyssobrotula galatheae, a species of cusk eel, lives in the Puerto Rico Trench at a depth of 8,372 meters (27,467 ft). [23] [25] Due to the extreme pressure, this appears to be around the theoretical maximum depth possible for fish. [26] [27] Stone loach