''Hypseleotris galii'', the firetail gudgeon, is a species of
gudgeon
A gudgeon is a socket-like, cylindrical (i.e., ''female'') fitting attached to one component to enable a pivoting or hinging connection to a second component. The second component carries a pintle fitting, the male counterpart to the gudgeon, ...
native to eastern Australia, where it is found in freshwater streams.
Gale's carp-gudgeon is an alternate common name.
References
External links
Fishes of Australia : ''Hypseleotris galii''
galii
Freshwater fish of Australia
firetail gudgeon
{{Gobiiformes-stub