Cyprinid fish are a diverse family of freshwater fish that include carp, minnows, and roaches. Other synonyms for cyprinid fish include barbel, chub, dace, and tench. These fish are commonly found in lakes, ponds, and rivers throughout the world, and they have a variety of uses, including food, sport fishing, and aquarium pets. With more than 3,000 species, cyprinids are one of the most diverse families of fish. Some of the most popular cyprinid fish for aquaria include goldfish, koi, and the zebra danio. No matter what species you're looking for, cyprinids offer plenty of choices for hobbyists and anglers alike.