GloFish Daphnia Treat is great for GloFish fluorescent fish. A good source of protein, this treat contains sun-dried daphnia and supports healthy digestion. Feed up to four days a week as a treat. Only feed as much as your pet fish can consume within three minutes. GloFish fluorescent fish are born brilliant! They get their natural, vibrant color from their parents and are not injected, painted or dyed. Enhanced by a full range of aquarium kits, lighting, decor and accessories, GloFish products create a complete underwater fluorescent experience that appeals to all ages and levels of expertise.