| Cnesterodon omorgmatos | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cyprinodontiformes |
| Family: | Poeciliidae |
| Genus: | Cnesterodon |
| Species: | C. omorgmatos |
| Binomial name | |
| Cnesterodon omorgmatos | |
Cnesterodon omorgmatos, the Cilida toothcarp, is a species of poeciliid native to the Paranapanema River basin in Brazil. [1]
Clupeiformes is the order of ray-finned fish that includes the herring family, Clupeidae, and the anchovy family, Engraulidae and sardines. The group includes many of the most important forage and food fish.
Sardine and pilchard are common names for various species of small, oily forage fish in the herring suborder Clupeoidei. The term 'sardine' was first used in English during the early 15th century; a somewhat dubious etymology says it comes from the Italian island of Sardinia, around which sardines were once supposedly abundant.
A piranha or piraña is any of a number of freshwater fish species in the family Serrasalmidae, or the subfamily Serrasalminae within the tetra family, Characidae in order Characiformes. These fish inhabit South American rivers, floodplains, lakes and reservoirs. Although often described as extremely predatory and mainly feeding on fish, their dietary habits vary extensively, and they will also take plant material, leading to their classification as omnivorous.
The Amazon basin is the part of South America drained by the Amazon River and its tributaries. The Amazon drainage basin covers an area of about 7,000,000 km2 (2,700,000 sq mi), or about 35.5 percent of the South American continent. It is located in the countries of Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, Suriname, and Venezuela, as well as the territory of French Guiana.
The São Francisco River is a large river in Brazil. With a length of 2,914 kilometres (1,811 mi), it is the longest river that runs entirely in Brazilian territory, and the fourth longest in South America and overall in Brazil. It used to be known as the Opara by the indigenous people before colonisation, and is today also known as "Velho Chico".
The arapaima, pirarucu, or paiche is any large species of bonytongue in the genus Arapaima native to the Amazon and Essequibo basins of South America. Arapaima is the type genus of the subfamily Arapaiminae within the family Osteoglossidae. They are among the world's largest freshwater fish, reaching as much as 3 m (9.8 ft) in length. They are an important food fish. They have declined in the native range due to overfishing and habitat loss. In contrast, arapaima have been introduced to several tropical regions outside the native range, where they are sometimes considered invasive species. In Kerala, India, arapaima escaped from aquaculture ponds after floods in 2018. Its Portuguese name, pirarucu, derives from the Tupi language words pira and urucum, meaning "red fish".
Corydoras is a genus of freshwater catfish in the family Callichthyidae and subfamily Corydoradinae. The species usually have more restricted areas of endemism than other callichthyids, but the area of distribution of the entire genus almost equals the area of distribution of the family, except for Panama where Corydoras is not present. Corydoras species are distributed in South America where they can be found from the east of the Andes to the Atlantic coast, from Trinidad to the Río de la Plata drainage in northern Argentina.
Pseudoplatystoma is a genus of several South American catfish species of family Pimelodidae. The species are known by a number of different common names. They typically inhabit major rivers where they prefer the main channels and tend to stay at maximum depth, but some species can also be seen in lakes, flooded forests, and other freshwater habitats. They have robust bodies, and are important food fish. Recently, their population size has been on the drastic decline due to a variety of factors including overfishing and habitat destruction due to the construction of hydroelectric dams.
Haemulidae is a family of fishes in the order Perciformes known commonly as grunts. It is made up of the two subfamilies Haemulinae (grunters) and Plectorhynchinae (sweetlips), which in turn contain about 133 species in 19 genera. These fish are found in tropical fresh, brackish, and salt waters around the world. They are bottom-feeding predators, and named for the ability of Haemulinae to produce sound by grinding their teeth. They also engage in mutualistic relationship with cleaner gobies of genus Elacatinus, allowing them to feed on ectoparasites on their bodies.
The yellowtail snapper is an abundant species of snapper native to the western Atlantic Ocean including the Gulf of Mexico and the Caribbean Sea. Although they have been found as far north as Massachusetts, their normal range is along Florida south to the West Indies and Brazil. This species is mostly found around coral reefs, but may be found in other habitats. They occur at depths of from near the surface to 180 meters (590 ft), though mostly between 10 and 70 m. This species can reach a length of 86.3 cm (34.0 in), though most do not exceed 40 cm (16 in). The greatest weight recorded for this species is 4.98 kg (11.0 lb). Yellowtail snapper is a commercially important species and has been farmed. It is sought as a game fish by recreational anglers and is a popular species for display in public aquaria. This species is the only known member of its genus.
An anchovy is a small, common forage fish of the family Engraulidae. Most species are found in marine waters, but several will enter brackish water, and some in South America are restricted to fresh water.
Cnesterodon is a genus of poeciliids native to South America.
Cnesterodon carnegiei, commonly known as Carnegie's toothcarp, is a species of poeciliid native to southeastern Brazil and Uruguay.
Cnesterodon raddai, the Resistencia toothcarp, is a species of poeciliid native to the Paraguay and lower Paraná River basins.
Cnesterodon holopteros, the whole fin toothcarp, is a species of poeciliid native to the Río Uruguai drainage.
Cnesterodon iguape, the Iporanga tooth carp, is a species of poeciliid from the upper Rio Iporanga in Brazil.
Cnesterodon brevirostratus, is a species of poeciliid found in Brazil.
Cnesterodon septentrionalis, is a species of poeciliid found in Brazil.
Cnesterodon decemmaculatus, the ten spotted live-bearer, is a species of poeciliid native to Argentina and Uruguay.
Cnesterodon pirai, the Almeida toothcarp, is a species of poeciliid that is only know from its type locality, the arroyo Almeida, an affluent of the arroyo Cuñá-Pirú, in the Río Paraná basin, Aristóbulo del Valle, Misiones in Argentina.
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