10 Most Aggressive Dog Breeds: Temperament Ratings and Information

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Chihuahua

The Chihuahua, the smallest breed recognized by AKC, weighs around 4-6 pounds. They come in various colors and hair lengths, belonging to the toy group.

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Dachshund

The Dachshund is categorized as a member of the "hound" group by the AKC. Ranging in size from around 8 to 32 pounds, they can have long or short hair of just about any natural color.

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Chow Chow

Chow Chow: a medium-sized "non-sporting" dog, weighing 45-70 pounds. Known for long, thick coats in red, black, blue, cream, or cinnamon colors.

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Doberman Pinscher

Doberman Pinscher: a medium-sized "working" dog, weighing 70-90 pounds. Known for thick, glossy, short-haired coats in red, black, blue, or fawn colors.

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Dalmatian

The Dalmatian is listed by the AKC as a medium-sized dog in the "working" group. They range in size from around 45 to 60 pounds and have short, dense, glossy coats that are white with either black or brown spots.

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Rottweiler

Rottweiler: large "working" dog, 85-130 pounds. Short-haired, black with rust markings. Originated in Rottweil, Germany. Loyal, protective, not recommended for families with young children.

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Jack Russell Terrier

Jack Russell Terrier: small, 14-18 pounds. Predominantly white with black/tan markings. Energetic, stubborn, not recommended for families with young children. Originated in England for fox hunting.

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German Shepherd

German Shepherd: medium-sized, 70-85 pounds. Intelligent, used in military, search-and-rescue, police work. Popular and good with children. Not aggressive when not trained as guard dogs.

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American Pit Bull Terrier

American Pit Bull Terrier: developed in UK, Ireland. Guard dogs, dogfighting. Two strains: stocky and mild-mannered. Good with children. Not recognized by AKC.

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Siberian Husky

The Spinone Italiano, known as the prickly pointer, is an energetic hunting dog valued for its pointing and retrieving abilities. A lively companion in the field, he loves to romp with his people.

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