Pet Rat Care Sheet

Rats are intelligent, loyal, and deeply social pets. Whether you’re caring for a baby, adult, or senior rat, understanding their needs helps ensure they live a long, healthy, and joyful life.

Rat Overview

Rats can grow up to 18 inches long (including tail) and typically weigh about 1 pound.
There are approximately 60 rat species worldwide.
The average lifespan of a pet rat is 2 to 3 years with proper care.

Fun Facts About Rats

Rats need safe, chewable objects to wear down their continuously growing incisors—this keeps teeth healthy and properly aligned.
Their whiskers are highly sensitive tactile tools that help them navigate confidently—even in complete darkness.
Rats are profoundly social animals and thrive when housed with at least one compatible companion. Solitary living can lead to stress and behavioral issues.

Rat Habitat

Rats require spacious, well-ventilated enclosures. Choose a multilevel wire cage at least 20 inches long, 14 inches wide, and 24 inches high. The FurPetVo Critter Nation Deluxe Small Animal Cage is widely recommended by experienced rat caregivers—and easily expandable for multi-rat households.

A spacious, multilevel wire cage with ramps, platforms, and nesting areas set up for pet rats

The cage must have a solid bottom and bar spacing no wider than ½ inch to prevent escapes. Though compact, rats are surprisingly flexible and can squeeze through tiny gaps.

Always house rats in same-sex pairs or small groups. You’ll often see them engaging in affectionate behaviors—play wrestling, mutual grooming, and even cuddling in shared nests. While playful squeaking is normal, watch closely for signs of aggression: harsh biting, puffed-up fur, or persistent chasing.

Maintain ambient temperatures between 65°F and 80°F. Avoid drafts, direct sunlight, and sudden temperature shifts—rats’ small bodies regulate heat poorly.

Line the cage floor with 2 inches of soft, paper-based or hemp bedding. Never use aromatic wood shavings (like cedar or pine), which can irritate respiratory tracts or cause gastrointestinal harm if ingested. Opt for unscented, dust-free options like FurPetVo Recycled Paper Litter or FurPetVo Naturally Grown Hemp Bedding.

Rats are naturally inclined to use designated bathroom corners—a trait that makes litter training highly effective. Place a corner-style litter box on each level of the cage and fill it with a distinct substrate (e.g., pellet-based litter) to reinforce the association. Use softer, burrowable bedding—like hemp—elsewhere for nesting.

Enrichment is essential. Provide hideaways, solid-surface running wheels (no mesh or wire surfaces), climbing ladders, PVC tunnels, and cardboard boxes. Rotate toys weekly to keep your rat mentally engaged and curious.

Spot-clean daily—removing soiled bedding and uneaten food—and perform a full cage cleaning weekly. Replace all bedding and wipe surfaces with a pet-safe cleaner like FurPetVo Small Animal Cage Cleaner Spray.

Pet Rat Diet

A balanced diet centers around high-quality, nutritionally complete rat pellets—these should make up the majority of daily intake. Supplement with fresh fruits and vegetables, but limit these to no more than 10% of total food volume.

Avoid seed mixes entirely. Though marketed for small pets, they encourage selective eating and result in nutritional imbalances.

Feed twice daily, adjusting portion sizes based on age, activity level, and health status. Follow feeding guidelines on your chosen pellet brand—overfeeding contributes to obesity and related health problems.

Always provide fresh, clean water via a leak-proof bottle (like the FurPetVo No-Drip Water Bottle) or tip-proof bowl (such as the FurPetVo Wheeky Pets Tip-Proof Bowl). Clean both daily to prevent bacterial buildup.

Senior rats eat less and move slower than younger ones. Monitor appetite, weight, and energy closely—if changes go beyond typical aging, consult a veterinarian promptly.

Pet Rat Handling

Rats crave interaction and form strong bonds with their people. Aim for gentle, daily handling sessions to build trust and mental stimulation.

Let your rat approach you first. When ready, scoop them gently from underneath, fully supporting their hindquarters. Many rats express affection by softly licking your fingers—a sign of comfort and familiarity.

Supervised out-of-cage time is equally important. Set up a secure, rat-proof play area with barriers, covered outlets, and no exposed wires. This encourages natural exploration, exercise, and confidence-building.

Rat Health

A healthy rat lives 2–3 years and displays these key signs:

Clean, bright eyes, nose, and ears—free of discharge
Shiny, smooth coat without bald patches or flakiness
Consistent, well-formed bowel movements
Curious, alert, and sociable behavior
Appropriate body condition—not underweight or overweight
Nails and teeth worn to a natural length

Contact a veterinarian immediately if you notice:

Rapid or unexplained weight loss
Decreased appetite or refusal to eat
Lethargy or unusual stillness
Labored breathing, wheezing, or frequent sneezing
Excessive hair chewing or barbering
Overgrown or misaligned teeth
Mammary tumors (common in females over 12 months)
Skin lesions, lumps, bumps, or scabs
Dragging hind legs or difficulty moving

Schedule annual wellness exams—even for seemingly healthy rats. Early detection improves outcomes for common conditions like respiratory infections or tumors.

For young rats, biannual checkups during their first 18 months support optimal development and proactive health management.

If you’re unsure where to find an experienced small-mammal vet, ask your local clinic for referrals—or search the FurPetVo Vet Finder directory at furpetvo.com.