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Many species of salmon are anadromous and can migrate long distances up rivers to spawn Allowing fish and other migratory animals to travel the rivers can help maintain healthy fish populations. Fish migration is mass relocation by fish from one area or body of water to another. Many types of fish migrate on a regular basis, on time scales ...
It is an example of an anadromous fish species, with some populations moving to freshwater to spawn. [ 4 ] [ 6 ] Overall they are distributed in the northwest Pacific , between 21–42°N and 109–134°E, [ 6 ] or from Guangdong in China to the west coast of the Korean peninsula and the Ariake Sound in southwestern Japan.
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]
The tub gurnard (Chelidonichthys lucerna), also known as the sapphirine gurnard, tube-fish, tubfish or yellow gurnard, is a species of marine ray-finned fish belonging to the family Triglidae, the gurnards and sea robins. It is found in the eastern Atlantic Ocean.
The classification of the Indo-Pacific blue marlin (M. mazara) and the Atlantic blue marlin (M. nigricans) as separate species is under debate. [1] Genetic data suggest, although the two groups are isolated from each other, that they are both the same species, with the only genetic exchange occurring when Indo-Pacific blue marlin migrate to and ...
The sauger (Sander canadensis) is a freshwater perciform fish of the family Percidae that resembles its close relative, the walleye. The species is a member of the largest vertebrate order, the Perciformes. [3] It is the most migratory percid species in North America. [4]
Platycephalus flatheads are found in the Indo-West Pacific region, mostly around Australia where 16 of the 19 species in the genus are found. [8] One species, the bartail flathead ( P. indicus ), has entered the eastern Mediterranean Sea from the Red Sea through the Suez Canal as a Lessepsian migrant .
Cynoglossus is a genus of fish in the family Cynoglossidae. Most species are indigenous to the Indo-Pacific region, but there are also a few in warmer parts of the East Atlantic . They are commonly found in shallow waters on a muddy or sandy bottom, including estuaries and a few species are restricted to fresh water . [ 1 ]