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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 ...
This species is a seasonal migratory fish along the Mekong river and its tributaries from Laos. The migration season begins in January and ends in late April to May each year, along with other species in the group of botiid loach ( Botiidae ) and mud carp ( Henicorhynchus ).
The green damselfish (Abudefduf abdominalis), [3] also known as the Hawaiian sergeant major, is a non-migratory fish of the family Pomacentridae.This fish also goes by the name maomao [4] It occurs in the Pacific Ocean in the vicinity of the Hawaiian Islands, Midway Island and Johnston Atoll. [1]
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]
During the migration, the fish endure low water temperature of 8.0–9.5 °C (46.4–49.1 °F) due to the steady influx of snow-melt water. This low temperature induces the fish to migrate to side streams where the ground water temperature is around 17.5–21.5 °C (63.5–70.7 °F) to spawn. In other river, Ravi River, this species spawn in May.
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]
The fish are gregarious, feeding on zooplankton and fish larvae, and are hunted by tuna, marlin, bluefish and cod. It is a migratory fish, moving inshore during the summer and back out into deep water later in the year. Spawning takes place near the surface in the open sea. The eggs have filaments attached and are pelagic. The juveniles inhabit ...
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]