Subreddits similar to r/RATS

2m subs

The subreddit for everything makeup related.
https://reddit.com/r/MakeupAddiction/

121k subs

/r/rabbits is an open community where users can learn, share cute pictures, or ask questions about rabbits. Please note we are a *house rabbit* subreddit that discourages breeding and encourages rescue.
https://reddit.com/r/Rabbits/

r/cats

1m subs

Pictures, videos, articles and questions featuring and about cats.
https://reddit.com/r/cats/

r/relationships

3m subs

/r/Relationships is a community built around helping people and the goal of providing a platform for interpersonal relationship advice between redditors. We seek posts from users who have specific and personal relationship quandaries that other redditors can help them try to solve.
https://reddit.com/r/relationships/

r/tattoos

3m subs

This subreddit is intended for posting your own personal tattoos, but also includes: tattoo flash and tattoo paintings from approved submitters. Below are some guidelines, and rules. Please direct any questions to the mod team.
https://reddit.com/r/tattoos/

r/dogs

1m subs

/r/dogs is a discussion-based subreddit, meant for asking questions, sharing information, and learning about our beloved canine companions and related dog-centric topics.
https://reddit.com/r/dogs/

r/guineapigs

49k subs

For caretakers of guinea pigs encouraging the proper techniques in handling, treating and raising cavies.
https://reddit.com/r/guineapigs/

r/AskWomen

1m subs

AskWomen: A subreddit dedicated to asking women questions about their thoughts, lives, and experiences; providing a place where all women can comfortably and candidly share their responses in a non-judgmental space. As part of our commitment to that mission, the AskWomen subreddit is curated to promote respectful and on-topic discussions, and not serve as a debate subreddit.
https://reddit.com/r/AskWomen/

r/Aquariums

227k subs

The subreddit for anything related to aquariums! Come here to enjoy pictures, videos, articles and discussion. We're also here to help you if you need advice.
https://reddit.com/r/Aquariums/

r/piercing

88k subs

https://reddit.com/r/piercing/

r/AdviceAnimals

8m subs

Reddit's Gold Mine
https://reddit.com/r/AdviceAnimals/

r/snakes

74k subs

https://reddit.com/r/snakes/

r/bettafish

71k subs

A subreddit for all things related to our colorful finned friends.
https://reddit.com/r/bettafish/

r/fffffffuuuuuuuuuuuu

857k subs

it's still alive! kinda...
https://reddit.com/r/fffffffuuuuuuuuuuuu/

r/childfree

638k subs

Discussion and links of interest to childfree individuals. "Childfree" refers to those who do not have and do not ever want children (whether biological, adopted, or otherwise).
https://reddit.com/r/childfree/

r/hamsters

26k subs

This sub is dedicated to hamsters and their humans.
https://reddit.com/r/hamsters/

r/TrollXChromosomes

764k subs

### A subreddit for rage comics and other memes with a girly slant.
https://reddit.com/r/TrollXChromosomes/

r/ferrets

45k subs

Everything ferret related! Photos, videos, questions, information, for ferrets and the people who keep them as pets.
https://reddit.com/r/ferrets/

r/aww

22m subs

Things that make you go AWW! Like puppies, bunnies, babies, and so on... A place for really cute pictures and videos!
https://reddit.com/r/aww/

r/TwoXChromosomes

12m subs

Welcome to TwoXChromosomes, a subreddit for both serious and silly content, and intended for women's perspectives. We are a welcoming subreddit and support the rights of all genders. Posts are moderated for respect, equanimity, grace, and relevance.
https://reddit.com/r/TwoXChromosomes/

r/sex

1m subs

r/sex is for civil discussions about all facets of sexuality and sexual relationships. It is a sex-positive community and a safe space for people of all genders and orientations. This is (mostly) a 'serious' community - posts and comments that sidetrack discussion will be removed and may result in a ban.
https://reddit.com/r/sex/

r/Pets

103k subs

https://reddit.com/r/Pets/

r/loseit

2m subs

A place for people of all sizes to discuss healthy and sustainable methods of weight loss. Whether you need to lose 2 lbs or 400 lbs, you are welcome here!
https://reddit.com/r/loseit/

r/trees

1m subs

The go-to subreddit for anything and everything cannabis. From MMJ to munchies, from nugs to news, and everything between! The casual cannabis community
https://reddit.com/r/trees/

r/nosleep

13m subs

Nosleep is a subreddit for realistic horror stories. Everything is true here, even if it's not.
https://reddit.com/r/nosleep/

r/LilGrabbies

64k subs

The best collection of tiny human-like animal hands!
https://reddit.com/r/LilGrabbies/

r/WTF

6m subs

Things that make you say "What the F*ck".
https://reddit.com/r/WTF/

r/raisedbynarcissists

460k subs

This is a support group for people raised by (or being raised by) a narcissistic parent. Please share your stories, your questions, your histories, your fears and your triumphs. Significant others and friends are all welcome.
https://reddit.com/r/raisedbynarcissists/

r/FancyFollicles

133k subs

https://reddit.com/r/FancyFollicles/

r/SkincareAddiction

1m subs

https://reddit.com/r/SkincareAddiction/