| Rineloricaria steinbachi | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Siluriformes |
| Family: | Loricariidae |
| Genus: | Rineloricaria |
| Species: | R. steinbachi |
| Binomial name | |
| Rineloricaria steinbachi (Regan, 1906) | |
| Synonyms | |
| |
Rineloricaria steinbachi is a species of catfish in the (order Siluriformes) of the family Loricariidae, sometimes in the monospecific genus Ixinandria. [2]
Ixinandria was part of the Rineloricaria group of the Loricariini tribe within the subfamily Loricariinae. [3] The phylogenetic position of Ixinandria within the tribe Loricariini remains uncertain. It has been suggested that Ixinandria could be synonym of Rineloricaria . [3]
Previously there were two species in this genus, but it was found that Ixinandria montebelloi was a synonym of R. steinbachi. [2]
The distribution of this species includes rivers of the Atlantic slope of the Andes in Bolivia and Argentina. [3] R. steinbachi occurs in the Salado River basin. [4] R. steinbachi occurs in Salta Province in mountainous areas at high altitudes ranging from around 1,000–2,900 metres (3,300–9,500 ft) above sea level. [3]
Sexual dimorphism includes hypertrophied odontodes around the head margin and on the pectoral fin spines of mature males. [3] These fish reach a length of 11.3 centimetres (4.4 in) SL. [4]
Rineloricaria steinbachi is a rheophilic species that lives in fast flowing and very oxygenated waters. Its color pattern reflects mimicry with stoned bottoms. [3] Fertilized eggs have been found on the hidden surface of a stone, suggesting that R. steinbachi could be a cavity spawner. [3]
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