| Redtail splitfin | |
|---|---|
| |
| Male | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cyprinodontiformes |
| Family: | Goodeidae |
| Genus: | Xenotoca |
| Species: | X. eiseni
|
| Binomial name | |
| Xenotoca eiseni (Rutter, 1896)
| |
| Synonyms[2] | |
|
Characodon eiseni Rutter, 1896 | |
The redtail splitfin or redtail goodeid (Xenotoca eiseni) is a species of goodeid fish from the family Goodeidae and subfamily Goodeinae. Like other members of Goodeinae, the redtail splitfin is native to Mexico and a livebearer. However, the goodeid mating system differs in several ways from the more common livebearing fish from the family Poeciliidae that includes guppies and swordtails. While no goodeid species is a very popular aquarium fish, the redtail splitfin is one of the most popular. Only the male has the red-orange tail for which it is named. Its specific name honours the collector of the type, Gustav Eisen (1847–1940) who was Curator of Marine Invertebrates at the California Academy of Sciences in San Francisco, California.[3]
- ^ Koeck, M. (2019). "Xenotoca eiseni". IUCN Red List of Threatened Species. 2019: e.T191717A2000040. doi:10.2305/IUCN.UK.2019-2.RLTS.T191717A2000040.en. Retrieved 19 November 2021.
- ^ Cite error: The named reference
FishBasewas invoked but never defined (see the help page). - ^ Christopher Scharpf; Kenneth J. Lazara (26 April 2019). "Order CYPRINODONTIFORMES: Families PANTANODONTIDAE, CYPRINODONTIDAE, PROFUNDULIDAE, GOODEIDAE, FUNDULIDAE and FLUVIPHYLACIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 22 September 2019.