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Tropical Fish Nutrition Calculators and Tools

These calculators work out what and how much to feed a tropical fish: daily calories, portion sizes, feeding schedules, water needs and which foods to keep away from it. All 2 are free, quick and based on tropical fish reference data.

Nutrition2 tools

All 2 tropical fish nutrition tools

Tropical Fish Nutrition tools: what they help with

These calculators work out what and how much to feed a tropical fish: daily calories, portion sizes, feeding schedules, water needs and which foods to keep away from it. Diet is the single biggest thing most owners control. Getting portions right prevents obesity and the many problems that come with it in a tropical fish.

What to know about nutrition and feeding for tropical fish

Tropical fish are omnivores, which shapes what you feed and how much.

Tropical Fish quick facts

Reference values for tropical fish from the species data behind this tool.
MeasureTropical Fish
Typical lifespan3–10 years
DietOmnivore
Mature atAbout 9 months
Clutch size200–400 eggs

A practical tip

Weigh food rather than using a cup or scoop. Measuring by volume is one of the most common reasons pets are overfed.

Other tropical fish topics

Most questions lead to another. You may also find these useful: tropical fish age tools, tropical fish behavior tools, tropical fish breeding tools and tropical fish cost tools. Or see every tropical fish tool in one place.

Nutrition tools for other pets

The same kind of tool exists for other species, each using that animal's own reference data: goldfish nutrition, betta fish nutrition, guppy nutrition and molly nutrition.

Frequently asked questions

How much should I feed my tropical fish?

It depends on body weight, age and activity. The tropical fish food and calorie calculators give a daily starting amount, which you then adjust based on body condition.

Which tropical fish nutrition tool should I use first?

Most people start with the Tropical Fish Feeding Schedule Planner, the most used tool in this group. If your question is more specific, the list above describes what each of the 2 tools does.

How accurate are the results?

They are estimates based on published reference data for tropical fish, and each tool lists its sources. Individual animals vary, so treat results as a guide and check health decisions with your vet.