The kissing prochilodus or flag-tailed prochilodus (''Semaprochilodus insignis'') is a species of South American freshwater fish in the family

Prochilodontidae The Prochilodontidae, or flannel-mouthed characins, are a small family of freshwater fishes found primarily in the northern half of South America, south to Paraguay and northern Argentina. This family is closely related to the Curimatidae, and i ...

. It is native to central and western parts of the

Amazon basin 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 , or about 35.5 percent of the South American continent. It is located in the countries of Boli ...

. It is migratory, moving in large groups into

whitewater Whitewater forms in a rapid context, in particular, when a river's gradient changes enough to generate so much turbulence that air is trapped within the water. This forms an unstable current that froths, making the water appear opaque and ...

rivers to

spawn Spawn or spawning may refer to: * Spawn (biology), the eggs and sperm of aquatic animals Arts, entertainment, and media * Spawn (character), a fictional character in the comic series of the same name and in the associated franchise ** '' Spawn: ...

, afterwards returning to

blackwater Blackwater or Black Water may refer to: Health and ecology * Blackwater (coal), liquid waste from coal preparation * Blackwater (waste), wastewater containing feces, urine, and flushwater from flush toilets * Blackwater fever, an acute kidney disea ...

and clearwater rivers, as well as

flooded forest Freshwater swamp forests, or flooded forests, are forests which are inundated with freshwater, either permanently or seasonally. They normally occur along the lower reaches of rivers and around freshwater lakes. Freshwater swamp forests are found ...

s.SeriouslyFish
Semaprochilodus insignis.
Retrieved 4 March 2017.Lambert de Brito Ribeiro, M.; and M. Petrere Junior (1990). Fisheries ecology and management of the Jaraqui (Semaprochilodus taeniurus, S. insignis) in central Amazonia. River Research and Applications 5(3): 195–215. It is important in fisheries and sometimes seen in the aquarium trade, but require a relatively large tank. It can reach a maximum

standard length Fish measurement is the measuring of individual fish and various parts of their anatomies. These data are used in many areas of ichthyology, including taxonomy and fisheries biology. Overall length * Standard length (SL) is the length of a fish ...

of and weight of . It resembles the other members of the genus ''

Semaprochilodus ''Semaprochilodus'' is a genus of South American freshwater fish in the family Prochilodontidae. They have sometimes been included in the genus '' Prochilodus'' instead. Of the six species, three are from the Amazon Basin, two from the Orinoco B ...

'', where most species are silvery with orange-red fins and a striped tail. Adult ''S. insignis'' lack the dark flank spots that can be seen in adult '' S. taeniurus'', but both species have these spots as juveniles.

References

Prochilodontidae Taxa named by Sir William Jardine Fish described in 1841 {{Characiformes-stub