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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 can attain a maximum length of 25 cm (10 in) but generally about 15 cm (6 in) SL and feeds on small invertebrates, plants, algae including other fish scales. This species is a seasonal migratory fish along the Mekong river and its tributaries from Laos.
The primary diet of young warmouth is microcrustaceans and aquatic insect larvae, whereas larger specimens tend to mainly consume crayfish, freshwater shrimp, isopods, [8] and other small fish. [14] [15] Their predators include larger fish, snakes, turtles, alligators, and birds. The primary habitats the warmouth occupies are areas with ample ...
Goldband fusiliers are a non-migratory fish, found during the day moving in schools. At night they shelter within the reef. [8] The schools forage for zooplankton in midwater. It is an oviparous species which lays large numbers of small, pelagic eggs. [2]
The skipjack herring (Alosa chrysochloris) is a North American, migratory, fresh- and brackish water fish species in the herring family Alosidae. [3] The name skipjack shad comes from the fact that it is commonly seen leaping out of the water while feeding. [4]
It is a migratory offshore fish and undergoes a daily vertical migration from the surface to the seabed at depths down to about 1,000 m (3,300 ft). It is the object of an important commercial fishery off the West Coast of the United States, and annual quotas are used to prevent overfishing.
It has relatively sharp lower lip. Generally, the fish range from 25 to 40 centimetres (9.8 to 15.7 in) in length, and weigh about 1 kg (2.2 lb). However, specimens have been recorded up to 58.5 cm (23.0 in) long and 3.4 kg (7.5 lb) in weight. [4] The maximum recorded life span of the fish is 15 years. [5]
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]