r/aquarium is a subreddit with 167k members. The community frequently discusses fish, tank, help, plants, and struggling, and they frequently recommend/review stocking, aquarium, and canister filter, and the most common flair used is help, showing off , photo/video, discussion, and freshwater.
The premier community for aquarium hobbyists and aquascapers of all experience levels. Whether you manage a 5-gallon nano tank or a 75-gallon community ecosystem, join us to share your setups, ask for advice, and discuss fishkeeping. Check out our quick links below to get started.
**Icon art credit: u/SuicidalFlame - https://firenagy.tumblr.com/ **
Popular Topics in r/aquarium
#1
Fish
90 posts
#2
Tank
84 posts
#3
Help
40 posts
#4
Plants
29 posts
#5
Struggling
27 posts
#6
Betta
17 posts
#7
Algae
16 posts
#8
Filter
14 posts
#9
Shrimp
13 posts
#10
Plant
12 posts
Products Discussed in r/aquarium
Stocking
31 reviews
#1
Aquarium Fish
4.3★ from 13 reviews
#2
Aquarium Snail
4.5★ from 2 reviews
#3
Hillstream Loach
5.0★ from 2 reviews
Aquarium
21 reviews
#1
Amazon
5.0★ from 6 reviews
#2
API
4.5★ from 4 reviews
#3
Aquarium
3.8★ from 4 reviews
Canister Filter
17 reviews
#1
Fluval
4.5★ from 8 reviews
#2
Oase
4.5★ from 4 reviews
#3
SunSun
4.5★ from 2 reviews
Flair Used in r/aquarium
#1
Help
: "What to do"
91 posts
#2
Showing Off
: "Assasin......."
29 posts
#3
Photo/Video
: "My TV aquarium!! <3"
25 posts
#4
Discussion
: "They did what I said and put in 1000gal of peroxide lol"
21 posts
#5
Freshwater
: "This is a tank in a cafe which is located inside a supermarket in my city!"
16 posts
#6
Plants
: "What yall think about this aquarium?"
10 posts
#7
DIY/Hacks
: "My wife was like “well at least only one fish tank fits in your new paludarium.” Challenge accepted!"
5 posts
Member Growth in r/aquarium
Yearly
+26k members(18.4%)
About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/aquarium, including current member size, discussion patterns, product reviews, and related communities to explore.
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Last updated: June 19, 2026