Toy Breeds (Under 10 pounds):
* Chihuahua: Known for their big personalities in small packages.
* Yorkshire Terrier: Charming and affectionate, often with long, flowing hair.
* Maltese: Fluffy white dogs with sweet and gentle temperaments.
* Pomeranian: Fluffy, fox-like dogs with big personalities.
* Shih Tzu: Long-haired dogs with gentle and playful personalities.
* Papillon: Small, butterfly-eared dogs known for their athleticism.
* Cavalier King Charles Spaniel: Gentle and loving, with a sweet, soulful expression.
* Pug: Charming and playful, known for their wrinkled faces.
* Italian Greyhound: Sleek and graceful, known for their speed.
* Miniature Pinscher: Energetic and intelligent, often mistaken for miniature Dobermans.
Small Breeds (10-20 pounds):
* Miniature Schnauzer: Intelligent and playful, with a wiry coat.
* Bichon Frise: Fluffy white dogs with a happy and playful personality.
* French Bulldog: Charming and comical, known for their bat ears.
* Boston Terrier: Elegant and friendly, often with a tuxedo-like coat.
* Cairn Terrier: Energetic and fearless, often with a brindle coat.
* Miniature Dachshund: Long and low to the ground, with a determined personality.
* Cavalier King Charles Spaniel: (Some can be slightly larger than 20 pounds)
Medium Breeds (20-30 pounds):
* Australian Shepherd: Intelligent and hardworking, with a variety of coat colors.
* Border Collie: Intelligent and energetic, known for their herding skills.
* Beagle: Friendly and playful, known for their strong sense of smell.
* Jack Russell Terrier: Energetic and mischievous, known for their hunting instincts.
* Miniature American Eskimo Dog: Fluffy white dogs with a playful and affectionate personality.
Important Considerations:
* Individual Variation: While breeds are generally known for their size, individual dogs within a breed can vary.
* Factors Affecting Weight: Diet, exercise, and genetics all play a role in a dog's weight.
* Research Before Adopting: It's important to research different breeds to find one that matches your lifestyle and needs.
Note: This is not an exhaustive list. There are many other dog breeds that weigh 30 pounds or less. It's always best to research and consult with a veterinarian or breeder for more specific information about individual breeds.