Freshwater aquarium planner
Plan a community tank that actually works.
Match fish, shrimp, and snails by water, behavior, bioload, and real-world aquarium context.
TankMatcher tools
Choose the aquarium tool you need.
Use the same core planning tools from the top navigation: compatibility checks, stocking, water parameters, photos, cleanup crew, setup planning, and aquarium weight.
Fish Compatibility CheckerCheck whether selected fish, shrimp, and snails overlap on behavior, size, water, and stocking needs.Aquarium Stocking CalculatorPlan by gallons, group size, adult size, and bioload before adding more animals to a tank.Aquarium Photo ExamplesBrowse real community tank photos, Betta tank mate examples, shrimp, snails, and observed context.Water Parameter MatcherCompare freshwater species by temperature, pH, GH, KH, and water preference overlap.Algae Eater FinderFind cleanup crew options by algae type, tank size, temperament, and freshwater compatibility.Fertilizer CalculatorEstimate planted tank dosing for common fertilizers without turning the page into a chemistry maze.Tank Setup GeneratorGet setup ideas for freshwater tanks, aquascapes, cleanup crews, and community stocking plans.Aquarium Weight CalculatorEstimate filled aquarium weight from gallons, glass, substrate, hardscape, and equipment.AqAdvisor AlternativeCompare TankMatcher's compatibility and stocking approach with older aquarium calculator workflows.Species GuidesOpen species pages, Betta tank mate guidance, care ranges, and real-world context when available.Aquarium ArticlesRead practical freshwater guides on tank mates, stocking limits, water parameters, and setup risks.
Popular tank mates
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Aquarium articles
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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...