The glowlight danio (Danio choprai) is a small, schooling fish closely related to the popular zebrafish Danio rerio. This should not be confused with the GloFish , a trademarked brand of fluorescent zebrafish that appear to glow in the dark under ultraviolet light. Danio choprai is an active danionin species that spends most of its time on mid-water levels. This species feeds on insects that have fallen into the water, aquatic insect larvae, and other small animals. In the aquarium, it accepts most foods offered, including most dry foods. It has a streamlined body marked with a brilliant orange longitudinal band and a series of vertical blue-black bars on the flanks. The fins are edged with yellow. In recent years, it has become quite widely traded as an aquarium fish, but otherwise has n