What is a group of fish called?

"Tetra" is a group of small freshwater fish that belong to the Characidae family. They are known for their vibrant colors, peaceful nature, and ease of care, making them popular choices among aquarium hobbyists. Tetras are native to South America, Africa, and Central America, and there are over 140 different species within the group.

Some common species of tetra include the Neon Tetra, Cardinal Tetra, and Black Skirt Tetra. These fish are typically schooling fish and should be kept in groups of at least six individuals to help them feel secure and reduce stress. Tetras are omnivores and will accept a variety of foods, including flake, pellet, frozen, and live foods.

Tetras are generally peaceful and can be kept with other peaceful fish species in a community tank. They prefer well-planted tanks with plenty of hiding spots and require regular water changes to maintain good water quality. Overall, tetras are a popular and beautiful addition to freshwater aquariums.