What should I know before getting cats?

The domestic cat is Felis catus, a small felid domesticated from Near Eastern and African wildcat ancestry. Domestic cats remain behaviorally capable predators even when well fed. Breed labels describe a minority of the global population; most cats are mixed-breed domestic shorthairs or longhairs, and coat color is not a reliable guide to temperament. This account answers “What should I know before getting cats?” by starting with the animal’s documented biology and taxonomic scope, then translating those facts into a responsible acquisition decision.

Identity and physical form

Many healthy adults weigh roughly 3–6 kilograms, but sex, frame, breed, and body condition make a single target weight misleading. Cats have 30 permanent teeth and retractile claws adapted for capturing and processing prey. They are obligate carnivores with nutrient requirements, including taurine and preformed vitamin A, that cannot be met safely by treating them as small omnivorous dogs.

Distribution and habitat

Cats live alongside people worldwide and have established free-ranging populations on every continent except Antarctica. A home should provide separated resources: clean litter sites, water, food, elevated resting areas, hiding places, scratching surfaces, and routes that let cats avoid conflict. Indoor management reduces traffic, predation, and infectious risk, but it must still provide climbing, stalking play, scent exploration, and choice.

Feeding ecology and nutrition

Use a complete and balanced feline food for the correct life stage and measure intake against body condition. Water can be encouraged through multiple clean stations and moisture-rich foods when appropriate. Home-prepared diets require formulation by a veterinary nutrition specialist. Lilies can cause severe kidney injury, acetaminophen can be fatal, and string or ribbon can cause a linear intestinal foreign body; these are not minor household hazards.

Behavior and daily activity

Cats communicate with posture, facial tension, tail movement, scent, touch, and vocalization. Social tolerance varies: some form strong affiliative bonds, while forced proximity can produce chronic conflict even without obvious fighting. Short, predictable play sessions and reward-based handling build cooperation. Hiding, toileting outside the box, reduced jumping, irritability, overgrooming, or appetite change warrants environmental review and often a veterinary examination.

Reproduction and development

Queens are seasonally polyestrous where day length varies and may cycle repeatedly during the breeding season. Pregnancy is usually about 63–65 days, and litter size varies. Cats can become reproductively capable while still physically immature. Population control is therefore a central welfare issue, while any planned breeding needs infectious-disease testing, genetic screening appropriate to the breed, prenatal care, and emergency delivery support.

Conservation and relationships with people

Domestic cats do not receive an IUCN species assessment as wildlife, but free-ranging cats can have substantial effects on birds, mammals, reptiles, and amphibians. They may also acquire or transmit infections. Keeping cats contained, vaccinated, identified, and sterilized where appropriate protects both cat welfare and wildlife. Managed trap-neuter-return programs involve local ecological and welfare tradeoffs and should not be summarized as a universal solution.

What those facts mean before acquisition

Before adoption, plan for a 15-year-scale commitment while recognizing that individual longevity varies. Provide more than one litter box in multi-cat homes, arrange gradual introductions, and identify routine and emergency veterinary care. Select for health and temperament rather than extreme appearance. A carrier should remain part of the home environment, and cooperative handling for nails, mouth, ears, and medication should be taught before illness makes it urgent.

Build the support system before the animal arrives

Locate routine and emergency professional care that explicitly accepts cats; a nearby clinic that treats “pets” in general may not have the equipment, legal authority, or species experience required. Confirm transport, quarantine, backup care, evacuation, and end-of-life plans. Price the adult enclosure, recurring food, environmental control, preventive care, diagnostics, and emergency treatment rather than using the juvenile purchase price as the budget.

Use observable welfare measures

A daily record for cats should describe appetite, measured food, water use where practical, activity, resting location, social interactions, waste, body weight or body condition, and environmental readings relevant to domestic species. Record what changed and when instead of assigning a diagnosis. Photographs and instrument readings can preserve details that memory loses. A sustained departure from the animal’s own pattern, loss of normal movement, breathing difficulty, collapse, neurologic change, major trauma, inability to eat or eliminate, or a failed environmental system warrants prompt professional advice.

Legal status and welfare are separate questions

Permission to possess cats does not establish that a household can meet their needs. Laws can differ among countries, states, counties, municipalities, housing agreements, and agricultural or wildlife categories. Check Felis catus and the intended use with the responsible authority in writing. Never release a kept animal. Wildlife found outdoors should remain with or be transferred through the legally authorized rehabilitator or agency for that jurisdiction.

Reasons to stop before acquisition

Do not proceed with cats when the seller cannot provide a defensible identity or origin, when the adult habitat is not already feasible, when specialized professional care is unavailable, or when the animal would be kept alone despite documented social needs. Missing permits, improvised food, unresolved household conflict, no quarantine space, and reliance on an untrained backup caretaker are practical stop signs. Declining or postponing this acquisition is a welfare decision. For an animal already in care, correct the conditions with qualified help rather than abandoning or releasing it.

What was corrected during scientific review

• Added obligate-carnivore nutrient context.
• Separated domestic population biology from wildlife conservation.
• Removed universal social and temperament claims.
• Added cat-specific household toxicology examples.

Research basis

Material claims in this foundational domestic species account for cats were checked against the sources below on 2026-08-22. Source scope matters: wild-natural-history references do not automatically establish captive husbandry, and veterinary husbandry guidance does not redefine wild behavior. Values that vary by breed, population, sex, age, season, or management are presented as ranges or qualified rather than converted into a false universal average.

• University of Michigan — Animal Diversity Web: Felis catus — taxonomy, description, distribution, diet, behavior, reproduction.
• Integrated Taxonomic Information System: Felis catus — accepted taxonomy.
• Cornell Feline Health Center: Choosing and Caring for Your New Cat — selection, nutrition, preventive care.
• Cornell Feline Health Center: Feeding Your Cat — nutrition, obesity.

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