r/aquarium is a subreddit with 169k 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, discussion, showing off , photo/video, and plants.
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
: "help identify this fish???"
65 posts
#2
Discussion
: "What was your most expensive "I wish I knew this earlier" mistake when starting out?"
11 posts
#3
Showing Off
: "Yoyo"
6 posts
#4
Photo/Video
: "My first aquarium!"
5 posts
#5
Plants
: "Salvinia auriculata"
3 posts
#6
Freshwater
: "My first Tank"
2 posts
Member Growth in r/aquarium
Yearly
+26k members(18.6%)
About
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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: July 12, 2026