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 ranging...

operator that there are fish swimming in the gracht, and that the lock should be opened. It is designed to aid in seasonal fish migration, as an alternative...

animal groups, including birds, mammals, fish, reptiles, amphibians, insects, and crustaceans. The cause of migration may be local climate, local availability...

to facilitate diadromous fishes' natural migration as well as movements of potamodromous species. Most fishways enable fish to pass around the barriers...

factors. Migration is most commonly seen as animal migration, the physical movement by animals from one area to another. That includes bird, fish, and insect...

Forage fish, also called prey fish or bait fish, are small pelagic fish that feed on plankton and other tiny organisms. They are preyed on by larger predators...

A salmon run is an annual fish migration event where many salmonid species, which are typically hatched in fresh water and live most of the adult life...

World Fish Migration Day (WFMD) is celebrated every other year to raise global attention to the need for restored river connections for migrating fish to...

dams, weirs do not usually prevent downstream fish migration (as water flows over the top and allows fish to bypass the structure in that water), although...

A fish screen is designed to prevent fish from swimming or being drawn into an aqueduct, cooling water intake, intake tower, dam or other diversion on...

dolphin Asian shore crab Shore crab Crab-eating frog Diamondback terrapin Fish migration Osmoregulation Stenohaline Osmoconformer Thorson, T.B. (1983). "Observations...

S.; Sigurthsson, T. (2009). "Modelling and simulations of the migration of pelagic fish". ICES Journal of Marine Science. 66 (5): 826. doi:10.1093/icesjms/fsp067...

Bait fish (or baitfish) are small-sized fish caught and used by anglers as bait to attract larger predatory fish, particularly game fish. Baitfish species...

the watershed, mainly through industrial pollution and barriers to fish migration. The Columbia begins its 1,243-mile (2,000 km) journey in the southern...

The Lessepsian migration (also called Erythrean invasion) is the migration of marine species along the Suez Canal, usually from the Red Sea to the Mediterranean...

Diel vertical migration (DVM), also known as diurnal vertical migration, is a pattern of movement used by some organisms, such as copepods, living in...

Migration is a 2023 American animated adventure comedy film produced by Universal Pictures and Illumination, and distributed by Universal. The film was...

world and caught a multitude of different species of fresh and saltwater fish. Jeremy Wade was born in Ipswich and brought up in Nayland where his father...

environments such as salmon and herring. Fish migration Osmoconformer Osmoregulation Euryhaline Wurts, W. Why can some fish live in freshwater, some in salt water...

and other fish populations declined dramatically after the establishment of water diversions, channelization, and dams that affect migration and rearing...

nets in typical South African style. on YouTube Agulhas Current Fish migration Forage fish Salmon run Shoaling and schooling The Blue Planet Wild Ocean (film)...

Hypseleotris galii. A natural disruption that has contributed to the migration of the fish species is Charles Darwin's (1882) 'duck feet theory'. The concept...

used as an idiom in the English language. For example, a large school of fish can cause nearby sharks, such as the lemon shark, to enter into a feeding...

of rare and endangered species including cold freshwater habitat for fish migration and spawning. The primary land use in the watershed is timberland. Road...

important spot for up and downstream fish migration. A fish ladder was put in place to allow for more ease of migration. Data has shown that the pass has...

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...

structures. However, it is widely accepted that some structures make fish migration more difficult upstream. The UK Environment Agency has guidelines for...

naturally if the river was not impounded. They are designed to aid fish migration. Freshets are the result of the mass delivery of water to the landscape...

14,000 years ago, Shoshone Falls marks the historical upper limit of fish migration (including salmon) in the Snake River, and was an important fishing...

streamlined bodies, capable of sustained cruising on long-distance migrations. Many pelagic fish swim in schools weighing hundreds of tonnes. Others, such as...