Aquarium articles
Freshwater compatibility and stocking guides
Published TankMatcher notes on freshwater stocking, behavior, water parameters, and conservative planning.
Best fish for a 40-gallon tank
A 40-gallon aquarium is the size where freshwater stocking choices open up considerably. You have enough horizontal length and water volume to keep a...
Best stocking ideas for a 5-gallon tank
A 5-gallon tank is one of the most popular starter sizes, but it sits right at the edge of what most fish can tolerate long-term. The math is...
Best tank mates for cherry shrimp
Cherry shrimp (*Neocaridina davidi*) are peaceful 1.25-inch biofilm grazers that live in colonies and breed readily in stable freshwater tanks. The...