Facultative air-breathing in the genus ; Lives on rocky shores, particularly man-made rock piles at construction sites, and to a lesser extent among aquatic vegetation near these areas. Also inhabits lacustrine environments near the shore among rocks or vegetation; occurs in pools of outlet streams . Feeds on midge and caddisfly larvae, amphipods, other crustaceans and worms.
Physical description for Arthurs galaxias is currently being compiled.
Behavioural data for Arthurs galaxias is currently being reviewed.
Freshwater; demersal. Temperate; 5°C - 20°C ; 43°S - 44°S central plateau of Tasmania in Lakes Arthurs, Woods and River Lakes below Woods Lake dam, Australia.
midge and caddisfly larvae, amphipods, other crustaceans and worms
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