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Yes, guinea pigs can eat melon as a treat. The PDSA and Burgess both list melon as a safe fruit. Give a small cube, about 2 to 3 cm (1 in), per guinea pig, with the skin and seeds removed, once or twice a week. Cantaloupe is the best choice because it carries the most vitamin C. Melon is sweet, so keep it small.
| Safe? | Yes, as a treat |
| How much | One 2 to 3 cm (1 in) cube per guinea pig |
| How often | Once or twice a week |
| Best served | Ripe, fresh flesh, skin and seeds removed |
| Watch out for | Soft droppings, leftovers going off |
Is melon good for guinea pigs?
In small amounts, yes. Melon is mostly water, which helps on warm days, and cantaloupe brings a fair amount of vitamin C. Worked out from the Guinea Lynx food chart, per 100 g (3.5 oz):
| Melon | Sugar | Vitamin C |
|---|---|---|
| Cantaloupe (orange flesh) | about 8 g | about 37 mg |
| Honeydew (green flesh) | about 8 g | about 18 mg |
VCA says guinea pigs need 10 to 50 mg of vitamin C a day, so a cube of cantaloupe helps a little. The problem is sugar. VCA warns that too much fruit can upset the gut bacteria, and the Vet Desk says melon should be dessert, not a main course, because guinea pigs may fill up on it and leave their hay. Watermelon has its own page: see can guinea pigs eat watermelon.
How much melon can a guinea pig eat?
One cube about 2 to 3 cm (1 in) across per guinea pig, once or twice a week. The Vet Desk suggests small amounts about twice a week, and the PDSA says fruit should come in very small amounts. The cube size is our everyday measure of "small": roughly the size of the top joint of your thumb. Skip other fruit that day, and keep the daily diet of unlimited hay, a cup of veg and a tablespoon of pellets unchanged.
How to prepare melon
- Choose a ripe melon. It should smell sweet at the stalk end. Wash the outside before you cut it so dirt isn't dragged into the flesh.
- Remove seeds and skin. Scoop out the seeds and cut the flesh away from the rind, as the Vet Desk advises.
- Cut small cubes. One cube per guinea pig. Wrap and chill the rest for yourself.
- Clear up after 20 minutes. The Vet Desk says melon turns mushy and spoils quickly, so lift any leftovers before they soil the bedding.
Serve melon on a small saucer, not straight on the bedding. It is juicy, and sticky bedding attracts flies in summer.
Rind, seeds, dried melon and juice
- Skin and rind: leave them off.
- Seeds: scoop them out.
- Dried melon: no. Concentrated sugar.
- Melon juice, sorbet or fruit salad in syrup: no.
Who should skip melon?
Leave it out for babies, overweight guinea pigs and any with loose droppings or a sensitive stomach. Melon is watery, so if droppings go soft after a first taste, stop and try a firmer food another time.
What to offer instead
For a juicy snack with less sugar, cucumber can be offered most days. For a fruit higher in vitamin C, try kiwi or strawberries. See what guinea pigs can eat and our guinea pig care guide.
Melon questions
Can guinea pigs eat melon rind or skin?
We'd leave it off. The Vet Desk, a vet-reviewed guide, says to remove the skin and seeds before feeding melon. The outer skin is hard, can carry residue from growing and handling, and gives a guinea pig little in return. Cut the flesh away from the rind and serve that.
Can guinea pigs eat melon seeds?
No. Scoop the seeds out before you cut the melon into cubes. The Vet Desk advises removing them, and they add nothing a guinea pig needs. If one or two slip through, there is no need to panic, but make seed removal part of the routine.
Is cantaloupe or honeydew better for guinea pigs?
Cantaloupe. Worked out from the Guinea Lynx food chart, cantaloupe has about twice the vitamin C of honeydew, around 37 mg against 18 mg per 100 g, for about the same sugar. Both are safe in the same small amounts, so choose cantaloupe when you can.
Can baby guinea pigs eat melon?
We would wait. Young guinea pigs have delicate guts and need hay, grass and alfalfa-based pellets while they grow, and Guinea Lynx says growing guinea pigs have different needs to adults. Bring in fruit slowly once they are a few months old, starting with a piece smaller than your fingernail.
