Small sour citrus (Citrus × microcarpa), also called calamondin. Very acidic; peels, leaves, and oils contain citrus essential oils that are problematic for pets. Pet concerns include Avoid routinely feeding. Additional concerns include Keep peel, leaves, and oils strictly off-limits; citrus essential oils are toxic to cats. Serve plain, washed or cooked pieces in small portions. Avoid added salt, sugar, oils, garlic, onion, or spices. When considering whether Calamansi (Calamondin) is safe for your pet, it is important to understand the potential risks and benefits. While some human foods are safe for dogs and cats in moderation, others can be toxic or cause digestive upset. Always introduce new foods gradually and monitor your pet for any adverse reactions such as vomiting, diarrhea, or lethargy. If you suspect your pet has ingested something toxic, contact your veterinarian immediately. Nutritional balance is key to a healthy pet, so treats like Calamansi (Calamondin) should only make up a small percentage of their daily calorie intake. Consult with your vet to determine the best diet for your specific pet's needs, taking into account their age, weight, and health status. This information is for educational purposes and does not replace professional veterinary advice. Ensure that Calamansi (Calamondin) is prepared safely, without added salt, sugar, or spices that could be harmful to pets.