Order Osmeriformes Higher classification Galaxias | Phylum Chordata Scientific name Galaxias johnstoni Rank Species | |
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Similar Galaxias fontanus, Pedder galaxias, Galaxias, Golden galaxias, Paragalaxias | ||
The Clarence galaxias (Galaxias johnstoni) is a species of fish in the Galaxiidae family endemic to Tasmania.
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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.
Distribution and habitat
The Clarence galaxias is a freshwater species and inhabits lakes as well as swamps and streams connected to lakes. It is endemic to Tasmania's Derwent River catchment, including the Clarence Lagoon. Only seven breeding populations are currently known.
Conservation
While locally common, the species has been classified as critically endangered by the IUCN. It is under pressure from predation and competition from introduced brown trout and rainbow trout.