''Rineloricaria misionera'' is a species of catfish in the family Loricariidae. It is a

freshwater fish Freshwater fish are those that spend some or all of their lives in fresh water, such as rivers and lakes, with a salinity of less than 1.05%. These environments differ from marine conditions in many ways, especially the difference in levels of s ...

native to South America, where it occurs in the basins of the

Paraná River The Paraná River ( es, Río Paraná, links=no , pt, Rio Paraná, gn, Ysyry Parana) is a river in south-central South America, running through Brazil, Paraguay, and Argentina for some ."Parana River". Encyclopædia Britannica. Encyclopædia Br ...

and the Uruguay River in Argentina. Its type locality is located within Misiones Province, which the species is named after. It is typically found in small streams with swift currents and substrates composed of rocks and sand. It is known to be

nocturnal Nocturnality is an animal behavior characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal", versus diurnal meaning the opposite. Nocturnal creatures generally have highly developed sens ...

, seeking shelter between rocks during the day. The species reaches in

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 m ...

and is believed to be a facultative air-breather.

References

Loricariini Fish described in 2005 Catfish of South America {{Loricariinae-stub