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...

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 their adult life...

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...

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...

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

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...

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...

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...

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,...

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

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...

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

resolve the environmental issues. The government says two big issues—fish migration and sediment flow—will be addressed. Critics say the hydro-electric...

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

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

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

Web. 11 December 2013. <http://www.climatenewsnetwork.net/2013/05/fish-migration-reveals-ocean-warming/>. "Climate News Network." Climate News Network...

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...

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...

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

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...

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

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...

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...

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)...

transport can be increased along with new fish migration passages, either through the turbine itself or by installing fish ladders. Where large sites aren't cleared...

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