| Gudusia | |
|---|---|
 | |
| Gudusia variegata | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Clupeiformes |
| Family: | Clupeidae |
| Genus: | Gudusia Fowler, 1911 |
Gudusia is a clupeid fish genus involving two species of shad in the rivers of South and Southeast Asia:
Clupeidae is a family of ray-finned fishes, comprising, for instance, the herrings, shads, sardines, hilsa, and menhadens. The clupeoids include many of the most important food fishes in the world, and are also commonly caught for production of fish oil and fish meal. Many members of the family have a body protected with shiny cycloid scales, a single dorsal fin, and a fusiform body for quick, evasive swimming and pursuit of prey composed of small planktonic animals. Due to their small size and position in the lower trophic level of many marine food webs, the levels of methylmercury they bioaccumulate are very low, reducing the risk of mercury poisoning when consumed.
The Charles River, sometimes called the River Charles or simply the Charles, is an 80-mile-long (129 km) river in eastern Massachusetts. It flows northeast from Hopkinton to Boston along a highly meandering route, that doubles back on itself several times and travels through 23 cities and towns before reaching the Atlantic Ocean. The indigenous Massachusett named it Quinobequin, meaning "meandering".
The flathead catfish, also called by several common names including mudcat or shovelhead cat, is a large species of North American freshwater catfish in the family Ictaluridae. It is the only species of the genus Pylodictis. Ranging from the lower Great Lakes region to northern Mexico, it has been widely introduced and is an invasive species in some areas. The closest living relative of the flathead catfish is the much smaller widemouth blindcat, Satan eurystomus.
The American shad is a species of anadromous clupeid fish naturally distributed on the North American coast of the North Atlantic, from Newfoundland to Florida, and as an introduced species on the North Pacific coast. The American shad is not closely related to the other North American shads. Rather, it seems to form a lineage that diverged from a common ancestor of the European taxa before these diversified.
Alosa is a genus of fish, the river herrings, in the family Clupeidae. Along with other genera in the subfamily Alosinae, they are generally known as shads. They are distinct from other herrings by having a deeper body and spawning in rivers. Several species can be found on both sides of the Atlantic Ocean and the Mediterranean Sea. Also, several taxa occur in the brackish-water Caspian Sea and the Black Sea basin. Many are found in fresh water during spawning and some are only found in landlocked fresh water.
Dorosoma is a genus that contains five species of shads, within the herring family Clupeidae. The five species are native to the North and/or Central America, and are mostly known from fresh water, though some may reside in the waters of estuaries and bays.
The skipjack herring is a North American, migratory, fresh- and brackish water fish species in the herring family Clupeidae. The name skipjack shad comes from the fact that it is commonly seen leaping out of the water while feeding. Other common names include blue herring, golden shad, river shad, Tennessee tarpon, and McKinley shad. The skipjack shad is restricted to the Gulf of Mexico drainage basins. Skipjack are found in clear to moderately turbid water in areas with flow. Because they are a migratory species, dams often impede their reproduction. Records suggest that this species was much more abundant in the Upper Mississippi River basin before it was impounded. Currently, skipjack is most abundant in the Upper Mississippi River below the mouth of the Ohio River. They are known as an "early-run" species as they migrate to spawn in the early spring.
The hickory shad, fall herring, mattowacca, freshwater taylor or bonejack is a member of the herring family Clupeidae, ranging along the East Coast of the United States from Florida to the Gulf of Maine. It is an anadromous fish species, meaning that it spawns in freshwater portions of rivers, but spends most of its life at sea. It is subject to fishing, both historic and current, but it is often confused with or simply grouped together with American shad in catch statistics.
The twait shad or twaite shad is a species of fish in the family Clupeidae. It is found in the eastern Atlantic Ocean and the Mediterranean Sea and is an anadromous fish which lives in the sea but migrates into fresh water to spawn. In appearance it resembles an Atlantic herring but has a row of six to ten distinctive spots on its silvery flanks. They become mature when three or more years old and migrate to estuaries, later swimming up rivers to spawn. Populations of this fish have declined due to overfishing, pollution and habitat destruction. Conservation of this species is covered by Appendix III of the Bern Convention and Appendix II and V of the European Community Habitats Directive.
Gudusia chapra, or the Indian river shad, is a species of fish in the family Clupeidae, occurring in rivers of India and Bangladesh draining to the Bay of Bengal, and also reported from Pakistan and Nepal. Outside the rivers it also occurs in ponds, beels, ditches and inundated fields.
Shad is a type of fish, much valued as a sport fish. The male shad is an excellent game fish, showing multiple jumps and an occasional end-over-end; it has been called a "freshwater tarpon". The gravid female does not fight much, but is often kept for the roe. The current world record is listed by the IGFA as 11 pounds 4 ounces (5.1 kg), set at Holyoke Dam, Massachusetts, on 19 May 1986 by Robert A. Thibodo.
The threadfin shad is a small pelagic fish common in rivers, large streams, and reservoirs of the Southeastern United States. Like the American gizzard shad, the threadfin shad has an elongated dorsal ray, but unlike the gizzard shad, its mouth is more terminal without a projecting upper jaw. The fins of threadfin shad often have a yellowish color, especially the caudal fin. The back is grey to blue with a dark spot on the shoulder. D. petenense is more often found in moving water, and is rarely found deep in the water column. It occurs in large schools, sometimes with gizzard shad, and can be seen on the surface at dawn and dusk. The threadfin shad may reach lengths of 8 in (200 mm), but only rarely. This fish is very sensitive to changes in temperature and dissolved oxygen, and die-offs are frequent in late summer and fall, especially when water temperature drops to 42°F. The threadfin shad is a favorite food for many game fishes, including striped bass, largemouth bass, smallmouth bass, and catfish. This fish is widely introduced throughout the United States as a forage for game fish.
The blueback herring, blueback shad, or summer shad is an anadromous species of herring from the east coast of North America, with a range from Nova Scotia to Florida. Blueback herring form schools and are believed to migrate offshore to overwinter near the bottom.
The Pontic shad, also referred to as the Black Sea shad or Kerch shad, is a species of clupeid fish in the genus Alosa, native to the Black Sea and Sea of Azov basins.
Gonialosa is a genus of gizzard shads that are found in the rivers of South and Southeast Asia. There are currently three described species.
Konosirus punctatus is a species of fish in the family Clupeidae, the herrings and sardines. It is the only member of the monotypic genus Konosirus. Its common names include dotted gizzard shad and konoshiro gizzard shad. It is native to the northwestern Pacific Ocean, where it occurs along the Asian coastline.
Nematalosa is a genus of gizzard shads in the fish family Clupeidae. There are currently 11 recognized species.
The Shad Foundation is an international non-profit 501(c)(3) organization established in 1996 for the study, protection, and celebration of shads around the world. Currently, there are more than 30 recognized shad species worldwide. Shad, which are members of the herring family, are widely distributed, and many are anadromous, meaning that they migrate from fresh to salt water as juveniles and return to freshwater for the express purpose of spawning. Many species are threatened by water pollution, overfishing, habitat destruction, and obstacles to migration, such as dams.
The Alabama shad is an anadromous species of clupeid fish endemic to the United States where it breeds in medium to large flowing rivers from the Mississippi River drainage to the Suwannee River, Florida, as well as some other Gulf coast drainages. The biology of this fish is little known but it has become increasingly rare. The International Union for Conservation of Nature rated it "near threatened" in 2020 and the United States National Marine Fisheries Service has listed it as a Species of Concern. A principal reason for its decline is thought to be the many locks and dams blocking access for the fish to up-river spawning grounds.
The Alosidae, or the shads, are a family of fishes. The family comprises seven genera worldwide, and about 30 species.
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