Clarence galaxias (Galaxias johnstoni)

Scientific name: Galaxias johnstoni Scott, 1936

The Clarence galaxias (Galaxias johnstoni) is a freshwater fish of the family Galaxiidae.

Biology

Dorsal spines (total): 0; Dorsal soft rays (total): 10-12; Anal spines: 0; Anal soft rays: 11 - 13; Vertebrae: 53 - 54. Scales completely absent. Dark brown dorsal surface, irregular dark brown bars and bands extending down sides, ventral surface yellow-cream in color.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Galaxias johnstoni
Family
Galaxiidae (Galaxiids)
Order
Osmeriformes (Smelts)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
14.0
Common length
7.5
Environment
Freshwater; demersal; catadromous
Climate
Temperate
Distribution
Oceania: known only in Clarence Lagoon and tributaries and the upper reaches of the Clarence River, which is part of the Derwent River system of Tasmania, Australia.
Conservation status (IUCN)
Critically Endangered (CR) (A1c, B1+2a)
Threat to humans
Harmless
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (tm=2; Fec=300)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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