Best Fish for a 40 Gallon Tank: Top Choices for a Thriving Aquarium
The best fish for a 40-gallon tank are guppies, zebra danios, dwarf gourami, neon tetra, betta, cherry barb, cory catfish, harlequin rasbora, and common molly. These fish are small in size, colorful, peaceful, and make great additions to a tank.…