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Clarence galaxias

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Clarence galaxias
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Galaxiiformes
Family: Galaxiidae
Genus: Galaxias
Species:
G. johnstoni
Binomial name
Galaxias johnstoni

The Clarence galaxias (Galaxias johnstoni) is a species of fish in the family Galaxiidae 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 endangered by the IUCN.[1] It is under pressure from predation and competition from introduced brown trout and rainbow trout.[2]

References

  1. ^ a b Freeman, R. (2019). "Galaxias johnstoni". The IUCN Red List of Threatened Species. 2019. IUCN: e.T8806A129040727.
  2. ^ a b c Jean Jackson; David Crook (2002). "Clarence galaxias - Galaxias johnstoni" (PDF). ASFB Newsletter. 32 (1). Australian Society for Fish Biology.
  3. ^ a b "Galaxias johnstoni". Fish Base. Retrieved 9 February 2013.