Next on our list is the super cute and distinctive neon tetra. Neon tetras ... a striking addition to any aquarium, especially ones with a dark backdrop. These fish are fantastic for small tanks ...

Shop this article: Tetra ColorFusion Aquarium, Tetra Whisper IQ and API Algae Scraper This depends on your betta fish tank setup. You should never keep a betta fish in a tank any smaller than 5 ...