| Erimystax | |
|---|---|
 | |
| Slender chub (Erimystax cahni) | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cypriniformes |
| Family: | Cyprinidae |
| Clade: | Pogonichthyinae |
| Genus: | Erimystax Jordan, 1882 |
| Type species | |
| Luxilus dissimilis Kirtland, 1840 | |
Erimystax is a genus of ray-finned fish in the family Cyprinidae. Members are commonly known as slender chubs, though "slender chub" is also used for individual species local to some area, particularly Erimystax cahni .
Labrisomids are small blennioids (blennies), percomorph marine fish belonging to the family Labrisomidae. Found mostly in the tropical Atlantic and Pacific Ocean, the family contains about 110 species in 15 genera.
Gambusia is a large genus of viviparous fish in the family Poeciliidae. Gambusia contains over 40 species, most of which are principally found in freshwater habitats, though some species may also be found in brackish or saltwater habitats. The genus Gambusia comes from the Cuban term, "Gambusino", which means "free-lance miner". The type species is the Cuban gambusia, G. punctata. The greatest species richness is in Mexico, Texas, and the Greater Antilles, but species are also found elsewhere in the eastern and southern United States, the Bahamas, Central America, and Colombia. Gambusia species are often called topminnows, or simply gambusias; they are also known as mosquitofish, which, however, refers more specifically to two species, G. affinis and G. holbrooki, which are often introduced into ponds to eat mosquito larvae. As a consequence, they have been introduced widely outside their native range, and frequently become invasive, threatening local species. They are only occasionally kept in aquariums, due to their relative lack of color and the highly aggressive nature of the aforementioned mosquitofish species.
Lepidomeda is a genus of cyprinid fish, commonly known as the spinedaces, found in western North America. Of the four known species, one is extinct and two are threatened. They appear to be fairly close to the leatherside chub and the spikedaces, but the phylogeny and indeed the validity of the proposed "plagopterin" clade is insufficiently resolved.
Notropis is a genus of freshwater fish in the family Cyprinidae. They are known commonly as eastern shiners. They are native to North America, and are the continent's second largest genus.
Cyprinella is a genus of fish in the family Cyprinidae, the carps and minnows. They are known as the satinfin shiners. They are native to North America, and some are among the most common freshwater fish species on the eastern side of the continent. Conversely, several Cyprinella species with small distributions are threatened and the Maravillas Creek subspecies of the red shiner is extinct.
The slender chub is a species of ray-finned fish in the family Cyprinidae. It is found only in the United States, within the Clinch and Powell rivers. It is likely extirpated from the Holston River, having last been observed there in 1941. Due in part to a lack of targeted surveys, slender chub have not been definitively observed since the 1990s. The 2021 5-year review of this federally threatened species recommended environmental DNA sampling in future surveys with comparison to DNA extracted from preserved specimens.
Macrhybopsis, the blacktail chubs, is a genus of cyprinid fish that are found in North America. There are currently 12 species in this genus.
Theliderma intermedia, the Cumberland monkeyface pearly mussel or Cumberland monkeyface, is a species of freshwater mussel in the family Unionidae, the river mussels. This aquatic bivalve mollusk is native to Tennessee and Virginia in the United States. Historically widespread in the upper Tennessee River system, it populations have been reduced by habitat destruction and pollution. It now only occurs in two tributaries: the Duck and Powell Rivers. It is a federally listed endangered species.
Theliderma sparsa, the Appalachian monkey-face pearly mussel or Appalachian monkeyface, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Chub is a common fish name. It pertains to any one of a number of ray-finned fish in several families and genera. In the UK, the term chub usually refers to the species Squalius cephalus. In addition, see sea chub.
Semotilus atromaculatus, known as the creek chub or the common creek chub, is a small minnow, a freshwater fish found in the eastern US and Canada. Differing in size and color depending on origin of development, the creek chub can usually be defined by a dark brown body with a black lateral line spanning horizontally across the body. It lives primarily within streams and rivers. Creek chubs attain lengths of 2-6 inches with larger specimens of up to 12 inches possible. The genus name Semotilus derives from the Greek word sema, and atromaculatus comes from the Latin word "black spots".
Leuciscinae is a subfamily of the freshwater fish family Cyprinidae, which contains the true minnows.
The streamline chub is one of the 324 fish species found in Tennessee.
The blotched chub is a species of fish in the family Cyprinidae, the minnow and carp family. This fish species in native to the Southeastern region of the United States.
The silver chub is a species of freshwater fish of the family Cyprinidae found in North America.
Hybopsis is a genus of cyprinid fish endemic to the United States. There are currently six described species in this genus.
The gravel chub, also known as the spotted chub, is a freshwater minnow from the family Cyprinidae. This species of fish has a spotted distribution inhabiting various small rivers and streams in North America. The gravel chub requires a highly specific clean habitat making it vulnerable to various types of pollutants and in need of conservation efforts.
The Ozark chub is a species of ray-finned fish in the family Cyprinidae. It is found in medium-gradient streams in the Ozarks in Missouri and Arkansas. A petition for federal protection under the Endangered Species Act was rejected by the U.S. Fish and Wildlife Service in 2019 due to the species' continued presence in most of the waterways it is historically known from.
Siphateles is a genus of fish belonging to the family Cyprinidae, native to the Western United States. They were formerly placed in the genus Gila.
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