Middle-Dwelling Tropical Fish
Species known for swimming in the middle levels include:
- Cardinal Tetra – brilliant red, peaceful
- Rummy Nose Tetra – active swimmers with red nose tips
- Green Neon Tetra – greenish bodies with blue and red accents
- Emperor Tetra – elongated fins, small groups
- Glowlight Tetra – vibrant red horizontal stripe
- Rosy Tetra – pinkish coloration
These tetras are popular choices for community aquariums.