Threadfin rainbowfish
In aquaria they are usually peaceful, they live preferably in groups of six or more. Because of their long fins they should obviously be kept in a tank without fin-nippers. They breed best in tanks without other species. The male courts the female by posturing in front of her repeatedly quickly raising then lowering the forward dorsal fin. The recommended male-to-female ratio is about 1:3, due to polygamous behavior of dominant male. Threadfin rainbowfish do well in aquariums of , however is preferred. They are best housed in a "species only" tank; meaning that the tank is reserved for the Threadfins alone. Because of their tiny mouths, they can be difficult to feed. They do well with live foods, such as baby brine shrimp, and the micrometre larval diets. They prefer water that is soft to moderately hard, slightly acidic (pH 6.0–7.0), and with a temperature of .
In the aquarium
It is characterized by long beautiful fins, and is among the most attractive of the rainbowfishes.