Dangerous Dogs in Germany: Breed Lists, Legal Status, and Facts

What is a dangerous dog?

The term “dangerous dog” refers to dogs that are legally classified as dangerous—either because of their breed (breed-specific lists) or because of specific behavior (documented biting incidents, aggression). The legal situation in Germany is a matter for the individual states: each state regulates ownership, requirements, and prohibitions independently.

Two classification principles coexist: breed-specific classification (BSL—Breed-Specific Legislation) and behavior-based classification (case-by-case assessment through temperament testing or documentation of biting incidents). Both have legal and scientific implications.

Background + Scientific Context

Patronek et al. (2013, JAVMA, PubMed 24299544) analyzed 256 fatal dog bite incidents in the United States (2000–2009): In 80% of cases, at least four risk factors were present simultaneously—lack of socialization, unsupervised access, a history of aggressive behavior, and failure to spay or neuter. Breed was only one of many factors. The authors concluded that breed-based laws do not address the actual risk factors.

Cornelissen and Hopster (2010, *Veterinary Record*, PubMed 20056241) studied dog bite incidents in the Netherlands following the introduction of BSL: breed bans did not demonstrably reduce the total number of bite incidents. The breeds most frequently involved in incidents changed—other breeds took over the role of the banned ones. Behavioral and educational measures yielded better results.

Ott et al. (2008, Journal of Veterinary Behavior, PubMed 18237517) compared Golden Retrievers with breeds subject to BSL in standardized behavioral tests: No significant differences in aggressive behavior were found between the groups. Behavioral differences were more likely due to the dogs’ history of care and socialization than to their breed.

Vitomalia-Position

Breed-based dangerous dog laws lack scientific basis and merely shift the problem rather than solving it. A dog does not become dangerous because of its breed—but rather because of its living conditions, lack of socialization, and training history. Vitomalia supports behavior-based case-by-case assessments rather than blanket breed bans.

When does a dog become classified as a dangerous dog?

• When keeping breeds listed on the respective state's breed list
• After a biting incident: The dog may be classified as dangerous by the authorities
• When applying for a permit to keep breeds subject to registration
• When moving to another state: different rules may apply
• For questions regarding insurance and rental law: Dangerous dog status affects both

Practical application

List of rattlesnakes — Overview by state (selection):

Lists are subject to change due to legislation—always check the current regulations of the respective state.

Typical requirements for Category 2 dogs: - Leash requirement in public areas - Muzzle requirement (in some areas) - Temperament test as a prerequisite for a pet ownership permit - Increased liability insurance requirement - Proof of the owner's competence

Common Mistakes & Myths

• “Certain breeds are inherently dangerous.” Behavioral science and veterinary medicine refute the notion that aggression is predetermined by breed. Upbringing, socialization, and training history are the decisive factors.
• “Breed bans protect the public.” International studies show that breed-specific laws do not reduce the number of dog bites. After bans are implemented, other breeds take the place of those previously targeted.
• “A dangerous dog is always a risk.” Many dogs on breed-specific lists pass temperament tests with flying colors. The classification is based on breed, not on individual behavior.

Current State of Research (2026)

International veterinary and behavioral organizations (AVSAB, BSAVA, WSAVA) reject BSL as ineffective and disproportionate. Behavior-based assessment systems, mandatory owner training, and early intervention in high-risk situations are considered evidence-based alternatives. Germany remains highly fragmented compared to other European countries—there is a lack of EU-wide harmonization.

Frequently Asked Questions

Which dogs are classified as dangerous dogs in Germany?

The lists vary by state. Common nationwide: American Pit Bull Terrier, American Staffordshire Terrier, Staffordshire Bull Terrier (Category 1, usually banned or strictly regulated). Category 2 with restrictions: Rottweiler, Doberman, Mastiff breeds. Always check the current regulations for your state—lists are subject to change.

What does the "dangerous dog" designation mean for me as an owner?

Requirements for a dog license, leash laws, muzzle requirements in some areas, higher liability insurance, and proof of training. Violations can result in fines and the seizure of the animal. If you move to another state: check the new rules on your own.

Can a dangerous dog lose its status?

In some states, yes—passing a behavioral assessment allows Category 2 dogs to be kept. Category 1 bans are usually absolute. Behavior-based reassessments following documented training are possible in individual cases—depending on the state and the relevant authority.

Related terms

• Dog Biting Statistics
• Dog Ownership Permit
• Dog Biting Incident
• Temperament Test for Dogs
• Dogs must be kept on a leash

Sources & Further Reading

1. Patronek, G. J., Sacks, J. J., Delise, K. M., Cleary, D. V., & Marder, A. R. (2013). Co-occurrence of potentially preventable factors in 256 dog bite–related fatalities in the United States (2000–2009). Journal of the American Veterinary Medical Association, 243(12), 1726–1736. https://pubmed.ncbi.nlm.nih.gov/24299544/

2. Cornelissen, J. M. R., & Hopster, H. (2010). Dog bites in The Netherlands: A study of victims, injuries, circumstances and aggressors to support evaluation of breed specific legislation. Veterinary Record, 166(14), 407–411. https://pubmed.ncbi.nlm.nih.gov/20056241/

3. Ott, S. A., Schalke, E., von Gaertner, A. M., & Hackbarth, H. (2008). Is there a difference? Comparison of golden retrievers and dogs affected by breed-specific legislation regarding aggressive behavior. Journal of Veterinary Behavior, 3(3), 134–140. https://pubmed.ncbi.nlm.nih.gov/18237517/