Clarence galaxias
| Clarence galaxias | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Osmeriformes |
| Family: | Galaxiidae |
| Genus: | Galaxias |
| Species: | G. johnstoni |
| Binomial name | |
| Galaxias johnstoni E. O. G. Scott, 1936 | |
The Clarence galaxias (Galaxias johnstoni) is a species of fish in the Galaxiidae family endemic to Tasmania.
Description
The Clarence galaxias is scaleless and has a dark brown back with brown bars and bands extending down its sides, while the belly is a lighter yellow-cream color. Adults reach a body length of 12.5–14 cm and a maximum weight of 20 g.[2][3]
Distribution and habitat
The Clarence galaxias is a freshwater species and inhabits lakes as well as swamps and streams connected to lakes.[3] It is endemic to Tasmania's Derwent River catchment, including the Clarence Lagoon. Only seven breeding populations are currently known.[2]
Conservation
While locally common, the species has been classified as critically endangered by the IUCN.[1] It is under pressure from predation and competition from introduced brown trout and rainbow trout.[2]
References
- 1 2 R. Wager (1996). "Galaxias johnstoni". IUCN Red List of Threatened Species. Version 2015.2. International Union for Conservation of Nature. Retrieved 17 August 2015.
- 1 2 3 Jean Jackson; David Crook (2002). "Clarence galaxias - Galaxias johnstoni" (PDF). ASFB Newsletter. Australian Society for Fish Biology. 32 (1).
- 1 2 "Galaxias johnstoni". Fish Base. Retrieved 9 February 2013.