Breed Mature Wt (kg)
Basenji 11
Beagle 11
Bichon Frise 5
Chihuahua 2
Chinese Crested 4
Collie (Border) 17
Coton de Tulear 6
Daschund 5
Havanese 5
Japanese Shiba Inu 10
Japanese Spitz 7
Lhasa Apso 6
Maltese 3
Miniature Pinscher 5
Papillon 4
Pomeranian 2
Poodle (Miniature) 7
Poodle (Toy) 3
Pug 7
Schnauzer Miniature 6
Breed Mature Wt (kg)
Shetland Sheepdog 9
Shih Tzu 5
Spaniel (Brittany) 16
Spaniel (Cavalier King Charles) 7
Spaniel (Cocker) 13
Spaniel (Tibetan) 5
Terrier (Border) 6
Terrier (Cairn) 7
Terrier (Fox) 8
Terrier (Irish) 12
Terrier (Irish Glen of Imaal) 16
Terrier (Irish Soft Coated) 17
Terrier (Jack Russell) 7
Terrier (Kerry Blue) 17
Terrier (Scottish) 9
Terrier (Staffordshire Bull) 13
Terrier (Tibetan) 11
Terrier (West Highland White) 8
Terrier (Yorkshire) 3
West Corgi Pembroke 12

*The above list are examples of dog breeds with a mature weight under 20kg (weights can vary).