| Opisthopterus | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Clupeiformes |
| Family: | Pristigasteridae |
| Genus: | Opisthopterus T. N. Gill, 1861 |
Opisthopterus is a genus of longfin herring in the family Pristigasteridae. There are currently six species in this genus.
Herring are forage fish, mostly belonging to the family Clupeidae.
Pristigasteridae is a family of ray-finned fish related to the herrings, including the genera Ilisha, Pellona, and Pristigaster. One common name for the taxon is longfin herring. The taxonomic classification of this family is in doubt; it was traditionally divided into two subfamilies, Pelloninae and Pristigasterinae, but molecular data indicates that these are not monophyletic.
Puntius is a genus of small freshwater fish in the family Cyprinidae native to South Asia and Mainland Southeast Asia, as well as Taiwan.
Citharichthys is a genus of flatfish in the large-tooth flounder family, Paralichthyidae. They have both eyes on the left sides of their heads. They are native to the oceans around the Americas, with a single species, C. stampflii off the West African coast. Most are found in relatively shallow depths, but the genus also includes species found in deep water and species that enter fresh water.
Hemiramphus is a genus of schooling marine fish commonly called halfbeaks, garfish, or ballyhoos, and are members of the family Hemiramphidae. They inhabit the surface of warm temperate and tropical sea, and feed on algae, plankton, and smaller fish. Hemiramphus species are edible but are more important as food fish for larger predatory species including dolphinfish and billfish.
Pompanos are marine fishes in the genus Trachinotus in the family Carangidae. Pompano may also refer to various other, similarly shaped members of the Carangidae, or the order Perciformes. Their appearance is deep-bodied, toothless, with a forked tail and narrow base. They are typically overall silvery in color, sometimes with dark or yellowish fins, and one or a few black markings on the side of their body. They are relatively large fish, up to about 1.2 m (3.9 ft) long, although most species reach no more than half or two-thirds of that size. They are found worldwide in warmer seas, sometimes also entering brackish waters.
Oreochromis is a large genus of oreochromine cichlids, fishes endemic to Africa and the Middle East. A few species from this genus have been introduced far outside their native range and are important in aquaculture. Many others have very small ranges; some are seriously threatened, and O. ismailiaensis and O. lidole possibly are extinct. Although Oreochromis primarily are freshwater fish of rivers, lakes and similar habitats, several species can also thrive in brackish waters and some even survive in hypersaline conditions with a salinity that far surpasses that of seawater. In addition to overfishing and habitat loss, some of the more localized species are threatened by the introduction of other, more widespread Oreochromis species into their ranges. This is because they—in addition to competing for the local resources—often are able to hybridize.
The longfins, also known as roundheads or spiny basslets, are a family, Plesiopidae, which were formerly placed in the order Perciformes but are now regarded as being incertae sedis in the subseries Ovalentaria in the clade Percomorpha. They are elongated fishes, found in the Indian Ocean and western Pacific Ocean.
Paraulopus is the only genus in the family Paraulopidae, a family of grinners in the order Aulopiformes. They are commonly known as cucumberfishes, but locally some other Teleostei are also known by that name. They were considered in the Chlorophthalmidae or greeneye family until 2001.
Cubiceps is a genus of driftfishes found circumglobally.
Neoopisthopterus is a small genus of ray-finned fish in the family Pristigasteridae. There are currently two recognized species in this genus, both of which occur in tropical waters of the Western Hemisphere.
Odontognathus is a genus of longfin herrings in the family Pristigasteridae. Currently, three species are recognized for this genus, all of which are restricted to tropical waters of the Western Hemisphere.
Opisthonema is a genus of herrings, the thread herrings, found in tropical waters of the Western Hemisphere. They get their name from a filamentous nature of the last ray of the dorsal fin. Currently, five species are in this genus.
Pliosteostoma lutipinnis, the yellowfin herring, is a longfin herring that is found along the coast of Central and South America from Mexico to Ecuador. It is the only species in its genus.
Paraplesiops is a genus containing five largely allopatric species of fishes in the longfin, or roundhead, family Plesiopidae, commonly known as blue devils, bluedevils, or blue devilfish because of their colouration. The genus is most similar to the tropical genera Plesiops and Fraudella. It is restricted to subtropical and temperate rocky and coral reefs in Australian waters. Its species are mostly cryptic, occurring in submarine caves, crevices and under rocky ledges.
Conocara is a genus of slickheads found in the deep waters of the oceans.
Scopeloberyx is a genus of ridgeheads.
Syacium is a genus of large-tooth flounders found in the Atlantic and Pacific Oceans. With the exception of S. guineensis from the Atlantic coast of Africa, all species are from the Americas. The largest species in the genus reaches 40 cm (16 in) in length.
Umbrina is a genus of fish from the croaker family Sciaenidae. The genus contains 17 species occurring in tropical and warm temperate waters of the Atlantic, the Mediterranean, the Western Indian Ocean and the eastern Pacific.
Trachinops is a genus of ray-finned fish in the family Plesiopidae, the longfins or roundheads.
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