"My cat attacks me for no reason!"

The 7 types of feline aggression

1. Defensive aggression (fear)

Cause: the cat feels threatened.

Trigger: strangers, sudden noises, other animals, forced physical contact.

Signs: curled body, ears back, hissing, puffing, possibly attacking.

2. Territorial aggression

Cause: defending its space.

Trigger: other cats entering the territory (even just seen from the window), new animal in the house.

Signs: urine marking, vocalizations, attacks on the other cat.

3. Redirected aggression

One of the most common and misunderstood. The cat is excited by a stimulus (e.g., a cat outside the window) and when you pet it, it redirects the excitement onto you.

Characteristic: apparent "no reason" attack while you were interacting calmly.

4. Play aggression

Kittens and young cats. They stalk it, catch it for play — but they hurt.

Causes: lack of proper training, too early separation from the mother.

5. Petting aggression

The cat asks for affection, then suddenly attacks. Sensory overload: goes from pleasure to annoyance in a few seconds.

Pre-attack signs: tail starts to twitch, ears back, dilated pupils, back tensing up.

6. Maternal aggression

Mother defending her kittens. Normal for a few weeks, disappears after weaning.

7. Pain aggression

Cat suddenly becomes aggressive: it may have unidentified pain (arthritis, teeth, ear infection, tumor).

Always rule out medical causes if the aggression is new.

Management

Step 1: veterinary visit

Always first. Excludes:

• Pain (arthritis, dental, visceral)
• Hyperthyroidism
• Tumors
• Neurological problems

Sudden aggression in adult cat = vet first above all else.

Step 2: identify the trigger

Journal for 1-2 weeks:

• When does it happen
• What was happening before
• What did you do
• Exact behavior

Step 3: targeted management

For defensive aggression:

• Never force contact
• Accessible refuges
• Slow approach at its level
• Feliway

For territorial aggression (towards other cats):

• Separation and gradual re-introduction (see article "Two cats")
• More separate resources (N+1)
• Feliway Friends pheromones (specific for multiple cats)

For redirected aggression:

• Identify and remove the stimulus (e.g., curtain at the window)
• Don’t touch it when it’s agitated
• Play session before petting

For play aggression (kittens):

• Never use hands as toys
• Replace with wand toys
• Time-out when it attacks

For petting aggression:

• Recognize early signs
• Stop petting before the threshold
• Start with very short sessions (10-20 seconds)

The "hunt first" rule

Cats need to release their predatory instinct. Play sessions with feather wands of 15-20 minutes, before meals, drastically reduce aggression.

Ideal sequence:

1. 15-20 minutes of simulated hunting
2. "Capture" of the tool (let it "kill")
3. Meal (closes the natural sequence)
4. Satisfied rest

What NOT to do

• ❌ Physically punish (worsens, creates fear)
• ❌ Yell (increases agitation)
• ❌ Rub the nose in something (old, harmful technique)
• ❌ Spray water (causes fear without learning what to do)
• ❌ Ignore signs (hissing, twitching tails)

When to consult a behaviorist

If after 2-3 months of management:

• Aggression persists or worsens
• Injuries to you or other animals
• Cat increasingly isolated/depressed

Veterinary behaviorist (not generic educator): €150-250 consultation.

Medications

For severe chronic cases, under prescription:

• Fluoxetine
• Buspirone
• Gabapentin

Used as a temporary support to allow behavioral changes.

The state of affairs

An aggressive cat is a cat that is trying to tell you something: it is scared, in pain, frustrated, or overstimulated. No aggression is "without reason." Identifying the specific type (defensive, territorial, redirected, etc.) is the first step to managing it. With time, patience, and sometimes professional support, 80% of aggressive cats can return to living peacefully.