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Can Guinea Pigs Eat Watermelon? Flesh, Rind and Seeds
Watermelon is a hydrating occasional treat for guinea pigs. Learn how much to give, what to do with seeds and whether the rind is safe.
The short answer
Yes, as a treat. Small pieces of watermelon flesh are safe, and a little of the pale rind can be offered too. Remove the seeds.
Unlimited grass hay, fresh water, a measured amount of guinea pig pellets and a daily cup or so of mixed, suitable vegetables form the core diet. Any single vegetable or fruit is one part of that mix, never a replacement for hay.
What watermelon offers, and where it falls short
Watermelon is mostly water and can be refreshing on a warm day.
It is sugary and low in other nutrients, so it should never replace water, hay or vegetables.
How much and how often
- One small cube of flesh, or a thin strip of pale rind, for an adult.
- Once or twice a week.
- Count it as that day's fruit.
How to prepare it
- Wash the outside of the melon before cutting.
- Remove black seeds.
- If offering rind, cut off the tough dark green skin.
What to avoid
- Large portions or daily watermelon; fruit counts as a treat.
- Dried, canned, juiced or sweetened watermelon.
- Several fruits on the same day.
Introduce it slowly
Offer a small piece of watermelon on its own the first time, then watch droppings and appetite over the next day. Change one food at a time so you can tell what caused any upset. Wheeky apps can help you keep track of new foods, servings and vitamin C sources in one place.
If your guinea pig stops eating, has diarrhea, produces fewer droppings or seems bloated or quiet after a food change, contact an exotic vet promptly. This guide is general education, not veterinary advice.