| Ixinandria | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Siluriformes |
| Family: | Loricariidae |
| Genus: | Ixinandria Isbrücker & Nijssen, 1979 |
| Species: | I. steinbachi |
| Binomial name | |
| Ixinandria steinbachi (Regan, 1906) | |
| Synonyms | |
Loricaria steinbachi Contents | |
Ixinandria steinbachi is the only species in the genus Ixinandria of catfish (order Siluriformes) of the family Loricariidae. [1]
Ixinandria is part of the Rineloricaria group of the Loricariini tribe within the subfamily Loricariinae. [2] The phylogenetic position of Ixinandria within the tribe Loricariini remains uncertain. It has been suggested that Ixinandria could be synonym of Rineloricaria . [2]
Previously there were two species in this genus, but it was found that I. montebelloi was a synonym of I. steinbachi. [1]
The distribution of Ixinandria includes rivers of the Atlantic slope of the Andes in Bolivia and Argentina. [2] I. steinbachi occurs in the Salado River basin. [3] I. steinbachi occurs in Salta Province in mountainous areas at high altitudes ranging from around 1000–2900 metres (3300–9500 ft) above sea level. [2]
Sexual dimorphism includes hypertrophied odontodes around the head margin and on the pectoral fin spines of mature males. [2] These fish reach a length of 11.3 centimetres (4.4 in) SL. [3]
Ixinandria steinbachi is a rheophilic species that lives in fast flowing and very oxygenated waters. Its color pattern reflects mimicry with stoned bottoms. [2] Fertilized eggs have been found on the hidden surface of a stone, suggesting that I. steinbachi could be a cavity spawner. [2]
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