How big do rainbow fish get?
The habitat of the fish is the mouth of rivers in Australia.
How big do rainbow fish get? They can get very large, 25 cm long depending on the species, there are also “dwarf” rainbow fish who are on average 3-5 cm long. This fish has a broad, flattened body of silver-blue color, rather a shade that cuts four longitudinal stripes. The dorsal and ventral fins are red, forked, like much other marine fish.