Fishician®Compatibility checker
Compare water parameters, adult size, temperament, social needs, and known conflicts.
Aquarium utility companion
Plan, track, and understand your aquarium
Fishician combines practical aquarium utilities with private tank records and a community for beginner and experienced aquarists.
Aquarium builder
Plan livestock and equipment around tank volume, water type, and intended setup.
Feeding planner
Build a varied feeding routine appropriate for the animals in each aquarium.
Water and dosing calculators
Calculate volume and dosing inputs while keeping units and safety context visible.
Treatment tracker
Record treatment schedules, doses, observations, and completion status.
Fish identification and health guidance
Use Finn for educational assistance while keeping veterinary limits explicit.