Common Names are Purple Firefish, Purple Dartfish, Flame Firefish, Decorated Dartfish, Elegant Firefish, Fire Goby.Size is upto 4 inches Life span is 3 years,maybe longer in captivity, Origin / Habitat in the Indo-Pacific,Mauritius, Samoa,Ryukyu Islands.Temperament/Behavior Its considered a good nano reef tank fish.They should leave most other animals alone, except if you're keeping multiples of this dartfish.Diet / Foods its Believed to feed on copepods and zooplankton in the ocean