The Best Pet Subreddits in 2026

Reddit is one of the warmest corners of the internet for pet owners — a place to get training help, ask vet questions, troubleshoot animal behavior, and, of course, share endless photos of your beloved companions. From massive general communities to niche groups for a single breed or species, there's a home for every kind of pet parent.

Below are the best pet subreddits in 2026, grouped by what they're actually good for. Whether you want dog-training advice, cat-care help, fish-keeping guidance, or just a daily dose of adorable animals, there's a community here for you.

Member counts are approximate and change over time. Last reviewed June 2026.

The best pet subreddits

  1. 1
    r/aww30M+ members

    Best for: Cute animal photos & videos

    One of Reddit's largest and most beloved communities — a never-ending stream of adorable pets and animals guaranteed to brighten your day.

  2. 2
    r/dogs3M+ members

    Best for: General dog ownership & advice

    The central hub for dog owners. Breed discussion, care advice, training questions, and support for everything that comes with sharing your life with a dog.

  3. 3
    r/cats5M+ members

    Best for: Cat photos & community

    A huge, affectionate community for cat lovers. Mostly photos and stories, with plenty of warmth and the occasional care question.

  4. 4
    r/AnimalsBeingBros5M+ members

    Best for: Heartwarming animal moments

    A feed of animals being kind, helpful, and friendly — to humans and to each other. Reliably wholesome and uplifting.

  5. 5
    r/Pets200K+ members

    Best for: General pet questions

    A broad community covering all kinds of pets, good for general questions that span species — care, products, and the ups and downs of pet ownership.

  6. 6
    r/Dogtraining1M+ members

    Best for: Training methods & behavior

    The go-to community for dog training. Positive-reinforcement methods, troubleshooting behavior problems, and structured advice from experienced trainers.

  7. 7
    r/CatAdvice500K+ members

    Best for: Cat care & behavior help

    Focused on practical cat-care questions — litter issues, behavior, health concerns, and introductions. A helpful, knowledgeable community for cat owners.

  8. 8
    r/AskVet200K+ members

    Best for: Veterinary questions

    Where you can ask questions and get input from veterinary professionals. Useful for guidance, though never a replacement for an actual vet visit.

  9. 9
    r/Aquariums2M+ members

    Best for: Fish keeping & tank setups

    The main hub for aquarium hobbyists. Tank builds, water chemistry, fish and plant advice, and stunning aquascapes from beginners to experts.

  10. 10
    r/budgies200K+ members

    Best for: Budgies & pet birds

    A dedicated, friendly community for budgie and parakeet owners. Care advice, behavior help, and lots of cheerful little-bird photos.

  11. 11
    r/rarepuppers2M+ members

    Best for: Dog photos & doggo humor

    A lighthearted, meme-flavored community celebrating dogs of all shapes and sizes. Pure feel-good content for dog lovers.

Want your own Pet subreddit? Claim a dead one.

The subreddits above are thriving — but for every active community there are dozens of abandoned ones with thousands of subscribers and no active moderators. Reddit lets you take these over through its official r/redditrequest process. DeadSubs scans Reddit in real time to find dead pet subreddits you can claim.

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Find dead petsubreddits →

Looking specifically for abandoned communities to take over? See our guide to dead pets & animals subreddits or read the step-by-step claiming guide.

Frequently Asked Questions

What is the best pet subreddit?

For cute animal content, r/aww is the largest and most popular. For dog owners, r/dogs is the central advice hub, and for cat owners, r/cats and r/CatAdvice are the most useful communities.

Where can I ask veterinary questions on Reddit?

r/AskVet lets you get input from veterinary professionals, which is helpful for general guidance — though it's never a substitute for an in-person visit to your own vet for anything serious.

Which subreddit is best for dog training?

r/Dogtraining is the best community for training help, with a focus on positive-reinforcement methods and troubleshooting common behavior problems with structured, experienced advice.

Are there dead pet subreddits I can take over?

Yes. The pet niche is full of communities for specific breeds, species, and animal interests that were abandoned by their original moderators. You can find inactive pet subreddits and claim them through Reddit's official r/redditrequest process — DeadSubs scans for them in real time.

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