Siamese Highly intelligent and vocal, Siamese cats can be territorial and prone to mood swings if not given enough attention and stimulation.
Bengal Their wild ancestry makes Bengals energetic and sometimes aggressive if they don’t get enough exercise or mental enrichment.
Savannah A hybrid between a domestic cat and a serval, Savannah cats are strong-willed and can become aggressive if not properly socialized.
Chausie Another wild hybrid, Chausies have a high prey drive and require firm training to prevent aggressive or dominant behavior.
Maine Coon Usually gentle, but if not properly socialized, Maine Coons can show territorial aggression, especially toward other pets.
Abyssinian Abyssinians are playful and energetic but can become aggressive if they feel ignored or bored for long periods.
Turkish Van While affectionate, Turkish Vans are known for their unpredictable temper and dislike of being handled too much.