Aquarium calculator
Pick species that fit one tank: known incompatible neighbors are left out, with minimum volume and shared water parameters. Up to 8 species per plan.
Species & volume
If you enter a volume, only species whose catalog minimum fits that tank are listed.
Volume from dimensions
Measure the inner walls.
Choose a fish…
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Community
Add at least one fish to see recommended water volume and parameters.
The community is stored in the page URL — bookmark it or share the link.
Parameters for this mix
Indicative tool: compatibility ratings and text parameters are simplified. Headcount increases the modeled minimum sublinearly (not a plain minimum × count) — still verify schools, pairs, and large species with species-specific guides.