etra fish are a popular choice for aquarium enthusiasts due to their vibrant colors, active nature, and ease of care. Here are some key facts about tetra fish:

1. Types of Tetra Fish: There are over 150 types of tetra fish, including Neon Tetras, Glowlight Tetras, Cherry Barb Tetras, and Black Skirt Tetras.

2. Size: Tetra fish are small, typically growing to be 1-3 inches in length.

3. Diet: Tetra fish are omnivores and will eat both plant matter and small insects. In an aquarium, they can be fed flake or pellet food, as well as live or frozen food.

4. Habitat: Tetra fish are native to South America and prefer warm, slightly acidic water with plenty of plants and hiding spots.

5. Care: Tetra fish are generally easy to care for, but require a well-maintained aquarium with proper filtration and regular water changes. They do well in groups of six or more and should be kept with other peaceful fish.

6. Breeding: Tetra fish are known to breed easily in captivity, and their fry will hatch within 24-36 hours.

7. Lifespan: Tetra fish live for 3-5 years on average.

8. Health Concerns: Some common health concerns for tetra fish include swim bladder issues, Ich (a parasitic infection), and fin rot. It’s important to monitor the health of your tetra fish and seek veterinary care if necessary.

Overall, tetra fish are a great choice for both beginner and experienced aquarium enthusiasts looking for colorful and active fish to add to their tank.