Get

In Your Inbox

Catster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

Do Ragdoll Cats All Have a Primordial Pouch? Feline Anatomy Explained

Fluffy Ragdoll

All cats, including Ragdolls, have a primordial pouch. Whether it’s noticeable or not is another matter. Ragdoll cats are often mistaken for being overweight due to their large size and extra fluffy coats. The primordial pouch also adds to this misconception, as it looks like a large belly swinging underneath them. Primordial pouches are a necessary component of a cat’s physiology, containing skin, fur, and fat, but they aren’t an indication that your cat is overweight.

divider cats oct 2024

What Is a Primordial Pouch?

All cats, Ragdoll or otherwise, have a primordial pouch, but the pouch varies in size between individual cats. Some have distinct “paunches” sagging below their belly, while others’ primordial pouches are almost undetectable. The primordial pouch is most visible when cats are running, as it swings back and forth during movement.

The reason that cats have primordial pouches isn’t entirely clear, but scientists have developed three theories for why they exist:

  • The pouch protects a cat’s internal organs during fights with other cats or predators.
  • The primordial pouch stretches during running, enabling cats to move faster and providing them with more agility to catch prey or evade predators.
  • The pouch provides more space in the abdomen to accommodate large meals, an evolutionary remnant from when cats were wild and sometimes went for days without food.
white ragdoll Primordial Pouch
Image Credit: Chase Dekker, Shutterstock

Differentiating Between the Primordial Pouch and Obesity

While many owners recognize that it is the primordial pouch, rather than extra weight, that makes their cat look “fat,” it’s important not to miss other signs of obesity because of a large primordial pouch.

Feline obesity is a common problem in domestic house cats. While outdoors, feral cats have to run and hunt for food, domestic cats don’t get nearly as much exercise, and many are overfed. The consequences of obesity are serious. At best, your cat’s movement becomes limited, and their quality of life declines. At worst, an obese cat can develop diabetes, arthritis, and cardiovascular disorders.

The best assessment of a cat’s physical condition is to use a Body Condition Score. This assesses how much fat is covering a cat’s ribs, profile, and head to determine whether a cat is of normal weight, overweight, or obese. It can tell you if your cat is underweight, too. Cats that are considered obese will have a large enough fat layer that you can’t feel their ribs or spine underneath.

If your cat has a distinct primordial pouch, it can hide early signs of weight gain, so it’s important to monitor your cat’s overall body condition on a regular basis and adjust their diet and exercise routine accordingly. If you have concerns about your cat’s weight, consult with a veterinarian to develop a plan to get it under control.

Need veterinary advice but can't get to the clinic? Catster recommends PangoVet, our online veterinary service. Talk to a vet online and get the answers and advice you need for your cat without having to leave your living room — all at an affordable price!

PangoVet_Mention-in-Content for PangoVet2 save money

divider cats oct 2024

Primordial Pouches in Ragdolls

Due to their large size, Ragdoll cats can have more noticeable primordial pouches than other breeds. They also have a long, thick coat that can hide early signs of obesity. While the primordial pouch is normal, it’s important to regularly assess your cat’s body condition and intervene if your cat is gaining weight.


Featured Image Credit: Serita Vossen, Shutterstock

Want content like this delivered to you?

Sign Up For Our Newsletter

News, insights, expert advice, and everything cat

* By submitting, you agree to our Terms & Conditions and Privacy & Cookies Policy.

How useful was this post?

Click on a star to rate (you can leave written feedback after clicking submit)

Help us improve Catster for pet parents!

Your feedback really matters.

What did you like about this post? Also how can we improve it?

Join the conversation

Leave a Reply

You’re very welcome to leave a comment or question. Please know that all comments must meet our community guidelines, and your email address will NOT be published. Let’s have a positive and constructive conversation.

Talk With A Vet Online

Peace of mind,
anywhere, anytime

Affordable vet advice

How to Get Your Cat to Cuddle: 5 Vet-Approved Tips for Better Bonding

It’s most cat owners’ dreams to have a cute and cuddly cat that sits on their laps and curls up with them in...

Can Cats Eat Jackfruit? Vet Reviewed Risks & Alternatives

The tropical fruit known as a jackfruit has quite a sweet taste to it, which is why your little buddy might be bugging...

Can Cats Eat Honey? Vet-Reviewed Facts & FAQ

If you love eating honey yourself, you probably know that it has antibacterial properties and is packed full of antioxidants and vitamins. It’s...

We Chat With Owen Mundy About His Controversial Site, “I Know Where Your Cat Lives”

Do you know where your cat is? Like, right now? If you’re like most cat owners, you probably need to know exactly where...

More related

Why Does My Cat Have Diarrhea? 8 Vet-Reviewed Reasons

Cat owners know how aloof their feline companions can be, and we can sometimes miss signs telling us that something is off, so...

Artificial Intelligence Takes on Feline Cancer: How New Technology Is Helping Treat Common Cat Cancers

If there is one diagnosis that is universally feared, it’s cancer. The great equalizer, cancer doesn’t care if you’re old, young, rich, poor,...

Cat People vs Dog People: Are They Really That Different?

As of 2024, about 66% of US households—86.9 million homes—own a pet. Dogs are more popular, with 65.1 million US households owning at...

Why Does My Cat’s Tail Twitch? 6 Vet-Reviewed Reasons

Cat ownership would be a lot easier if our pets could tell us their thoughts. However, until someone develops a cat-to-human translator, we...

Keep reading

How to Groom Long-Haired Cats: 10 Vet-Verified Tips & Tricks

When it comes to grooming, having a cat that enjoys it is a bit hit or miss. Some cats love being brushed and groomed. Others aren’t the biggest fans. Whether they like it or not, cats need grooming. This is...

brushing cat fur

What Are E-Collars for Cats? Vet-Reviewed Types, Pros, Cons & FAQ

You may not immediately recognize the term “e-collar,” but you’ve definitely heard of them. You might know the e-collar by its more affectionately referred to term: the Cone of Shame. E-collars, or Elizabethan collars, as they’re more officially known, is...

cat wearing an ecollar

Why Did My Cat Lose His Voice? 5 Vet-Reviewed Potential Reasons

It’s normal for us to lose our voice or feel hoarse when we’re sick or after yelling at a party or concert. It’s not as common of an occurrence in our pets. If your normally vocal cat has suddenly lost...

Cat meowing

How Many Calories Should a Cat Eat? Vet-Reviewed Cat Feeding Guide

All cats have individual dietary needs based on their breed, size, age, and health conditions. As notoriously picky eaters, finding the right food for them is only half the battle. Feeding your cats the appropriate amount is a crucial aspect...

Blue hepper NomNom 4

Can Cats Eat Dandelions? Vet-Approved Nutritional Benefits & FAQ

If you see your cat nibbling on common dandelions (Taraxacum officinale), it can be easy to want to rush them straight to the vet. But the truth is that dandelions are healthy for your cat in moderation. They offer numerous...

Can Cats Eat Dandelions

Is It Possible to Transmit Ringworm from Cats to Humans? Vet-Verified Info & Care Tips

Nobody wants to deal with a fungal infection, especially when it is on your cat. Treating your cat’s ringworm can be a pain, but did you know it can put you at risk if you aren’t careful? That’s right; your...

Ringworm lesion in cat

Cat Screaming: Sounds & Why They Do It (Vet Approved)

Cats are expert communicators who use various methods, including body language and vocalizations, to get their points across. Cats can produce a stunning range of vocalizations, including purrs, meows, and screams, also known as yowls and caterwauls. While purrs and...

Cat meowing

When Can Kittens Leave Their Mom? Vet-Verified Facts & FAQ

Kittens are born helpless and blind—dependent on mom to get them through life. After the first several weeks, mom and onlookers alike will be shocked at how quickly they grow and become independent entities apart from their caretaker. If you...

Asian leopard kitten on the wooden table