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...

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...

Forage fish, also called prey fish or bait fish, are small pelagic fish that feed on planktons (i.e. planktivores) and other small aquatic organisms (e...

Migration is most commonly seen in the form of animal migration, the physical movement by animals from one area to another. That includes bird, fish,...

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...

World Fish Migration Day (WFMD) is a global event celebrated every two years to raise global attention to the need for restored river connections for migrating...

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...

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

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

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...

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

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...

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...

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...

to allow for fish migration and to improve scenic beauty. While some aquaculture-related jobs are performed by both genders, such as fish feeding, many...

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

more spectacular schooling fish. They aggregate together in huge numbers. The largest schools are often formed during migrations by merging with smaller...

Gibbon River above Gibbon Falls was barren of fish, the falls being a natural barrier to upstream migration. Unlike the Yellowstone drainage, the upper...

Human-guided migration Smithsonian Migratory Bird Center Winged Migration, 2001 documentary film Lincoln, F. C. (1979). Migration of Birds. Circular 16. Fish and...

During the summer months the dams increase their water releases to aid fish migration downstream. The Dworshak hatchery is unique because of its ability to...

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...

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

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

completed in 1973. Lacking fish ladders, the dam blocks fish passage and completely extirpated anadromous fish migration into the upper reaches of the...

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

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...

being the biggest on observed records to date. Agulhas Current Fish migration Forage fish Salmon run Shoaling and schooling The Blue Planet Wild Ocean (film)...