Active dry food can be fed. According to the relevant public information, the San Francisco yellow diamond fish feeds on active dry food, pellet food, special food and insects, so it can be fed with active dry food. Yellow diamond fish, "the fish body is long and thin, the whole body is spun clock streamline, head cone, long pointed kiss, large mouth cleft, small eyes, jaw beak-like, because of its head and gills are brass color, it is also known as the "yellow arrow fish" or "copper head fish".