Many types of fish migrate on a regular basis, on time scales ranging from daily to annual, and over distances ranging from a few meters to thousands of kilometers. Fish usually migrate because of diet or reproductive needs, although in some cases the reason for migration remains unknown.
Chinese sturgeon - It is thought to have lived at the same time as dinosaurs, dating back to a period 140 million years ago.
Adriatic sturgeon - Its natural habitat is rivers.
Columbia sturgeon - It is the largest freshwater fish in North America and is the third largest species of sturgeon, after the Beluga and the Kaluga.
Persian sturgeon - The Persian Sturgeon has an elongated, bulky body with a bluish tint.
Alabama sturgeon - The Alabama sturgeon was first proposed for protected status in the early 1990s, although by then the fish was already so rare its survival was uncertain.
Starry sturgeon - It is an important commercial species.
Fringebarbel sturgeon - The bastard sturgeon, fringebarbel sturgeon, ship sturgeon, spiny sturgeon, or thorn sturgeon is a species of fish in the Acipenseridae family.
Short-nosed little sturgeon - The species is sometimes mistaken for juvenile Atlantic sturgeon, as adults of this species are similar in size to juveniles of that species.
Amur sturgeon - The Amur sturgeon is a species of fish in the Acipenseridae family.
Sakhalin sturgeon - The Sakhalin sturgeon is a species of fish in the Acipenseridae family.
Kaluga - Kaluga caviar comes from the Kaluga "River Beluga" sturgeon.
Sturgeon - The wedge-shaped head of this sturgeon ends in a long point.
Gulf sturgeon - Acipenser oxyrinchus is a species of sturgeon with two subspecies:
Azov shad - Alosa tanaica is a species of ray-finned fish in the genus Alosa.
Alabama shad - The Alabama shad spawns in medium to large flowing rivers from the Mississippi River drainage to the Suwannee River, Florida.
Hilsa shad - As it is anadromous in nature , the hilsa lives in the sea for most of its life, but migrates up to 1,200 km inland through rivers in the Indian sub-continent for spawning.
Kyack - Alewives are perhaps best known for their invasion of the Great Lakes by using the Welland Canal to bypass Niagara Falls.
American gizzard shad - Like other gizzard shads, the body is deep somewhat forward of the middle.
Toli shad - Tenualosa toli or Ilsha Chandana is a shad of the Clupeidae family, available in western Indian Ocean and the Bay of Bengal to the Java Sea and the South China Sea.
Alosa volgensis - Alosa volgensis is a species of ray-finned fish in the genus Alosa.
Blue herring - During mating season, assemble below dams in spring .
Atlantic shad - The American shad or Atlantic shad, Alosa sapidissima, is a species of anadromous fish in family Clupeidae of order Clupeiformes.
Threadfin shad - The Threadfin Shad, Dorosoma petenense, is a small pelagic planktivor common in rivers, large streams, and reservoirs of the Southeastern United States.
Blueback glut herring - Blueback Shad is a species of ray-finned fish in the genus Alosa.
Fall herring - Alosa mediocris is a species of ray-finned fish in the genus Alosa.
Ziege - It is found in Austria, Azerbaijan, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, Georgia, Germany, Hungary, Kazakhstan, Latvia, Lithuania, Moldova, Republic of, Poland, Romania, Russia, Serbia and Montenegro, Slovakia, Sweden, Turkey, Turkmenistan, Ukraine, and Uzbekistan.
Frostfish - The season of the tomcod varies by location -- one known example is the Sainte-Anne River in Quebec, where its season is from late-December to mid-February.
Stokell's smelt - Stokell's smelt, Stokellia anisodon, is a smelt, the only member of the genus Stokellia, found in rivers between the Waiau and Waitaki Rivers on the east coast of the South Island of New Zealand.
Tasmanian smelt - The Tasmanian smelt, Retropinna tasmanica, is a small, pelagic freshwater smelt found in lowland streams of Tasmania, Australia.
Pacific smelt - Its most distinctive characteristic is the long pectoral fins that reach nearly to the base of the pelvic fins, and thus inspire the common name.
Breakfast fish - Females reach 20 cm in length, while males are up to 25 cm long.
Cucumber herring - The Australian grayling is a streamlined fish with a streamlined, vaguely trout-like shape.
Tasmanian whitebait - The Tasmanian whitebait or Derwent whitebait, Lovettia sealii, is a galaxiid of the family Galaxiidae, found only in Tasmania, Australia.
European smelt - The body of the European smelt is typically 15 to 18 cm long, slender and slightly flattened on either side.
Extinct grayling - The New Zealand grayling, Prototroctes oxyrhynchus, is an extinct smelt of the genus Prototroctes, which was found only in lowland rivers and streams of New Zealand.
Eurachon - The common names of this fish have a somewhat confusing relationship.
Spirinchus lanceolatus - Shishamo or Spirinchus lanceolatus is a saltwater fish about 15 centimeters in length.
Sea perch - The white perch, Morone americana, is not a true perch but is, rather, a fish of the temperate bass family Moronidae, notable as a food and game fish in eastern North America.
Striped sea-bass - The striped bass is a typical member of the Moronidae family in shape, having a streamlined, silvery body marked with longitudinal dark stripes running from behind the gills to the base of the tail.
Pacific lamprey - The Pacific lamprey lives along the Pacific Coast of North America and Asia.
Caspian lamprey - The Caspian lamprey, Caspiomyzon wagneri, is a species of lamprey native to the Caspian Sea.
Pouched lamprey - It is a species of lamprey that occurs throughout much of the southern hemisphere.
Chilean lamprey - Mordacia lapicida, also known as the Chilean Lamprey, is a species of fish in the Petromyzontidae family.
Australian lamprey - Adult short-headed lampreys live at sea and are parasites on other fish.
Coho salmon - During their ocean phase, Coho have silver sides and dark blue backs.
Southern Dolly Varden - The subspecies S.
Bay salmon - It is also commercially known as Bay Salmon, Black Salmon, Caplin-scull Salmon, Fiddler, Grayling, Grilse, Grilt, Kelt, Landlocked Salmon, Ouananiche, Outside Salmon, Parr, Sebago Salmon, Silver Salmon, Slink, Smolt, Spring Salmon or simply Winnish.
Northern whitefish - The peled, also called the northern whitefish , is a species of freshwater whitefish in the Salmonidae family.
Chinook salmon or king salmon - Chinook salmon are highly valued, due in part to their relative scarcity vs other salmon along most of the Pacific coast.
Humpie - In the ocean, pink salmon are bright silver fish.
Aurora trout - The brook trout is native to small streams, creeks, lakes, and spring ponds.
Black Sea salmon - The Black Sea Salmon is a fairly small species of salmon, at about 20 inches on average and rarely reaching over 30.
Houting - 'Houtings' were said to be surviving in Denmark.
Cisco - This species occasionally grows as large as 40 cm and 2.
Japanese huchen - Sakhalin taimen is one of largest, most ancient salmon species and primarily inhabitats the lower to middle reaches of lakes and rivers.
Salmon - This fish prefers a temperate climate, around the area of 65° N - 58° N, and in the sea, it prefers a depth range of 0 - 200 m.
Bottom Whitefish - The humpback whitefish, also known as the bottom whitefish, is a species of fish in the Salmonidae family.
Arctic cisco - The omul has traditionally been regarded as a subspecies of the Arctic cisco Coregonus autumnalis.
Connie - The fish has a large mouth with a protruding lower jaw and a high and pointed dorsal fin.
Calico salmon - They have an ocean coloration of silvery blue green.
Salmon - Adding to the confusion of salmonid taxonomy, there are other trout with marble pattern beside Salmo marmoratus.
Atlantic whitefish - The Atlantic whitefish is a freshwater salmonid fish inhabiting the northwestern Atlantic ocean around the Canadian province of Nova Scotia, as well as some freshwater lakes within Nova Scotia.
Sockeye salmon or kokanee - Sockeye salmon , also called red salmon or blueback salmon, is an anadromous species of salmon found in the Pacific Ocean.
Bull trout - S.
Large Bottom Whitefish - The broad whitefish is a freshwater whitefish species.