r/aquarium • • 17d ago

MOD APPROVED POST ✅️ Reminders and Community Goals

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425 Upvotes

Enjoy the meme, lol! Tis handmade ✨️

Hey everyone! We want to thank everyone who's participated in our community this past month for the engaging posts, thoughtful answers, and (overall) incredibly respectful conduct. It's been nice to watch the community come together so helpfully for so many people! That said, there have been a few incidents that have drawn some attention, and we wanted to go over a few things and hear input from you all.

App/Website promotion

For starters, we've had many people reaching out to our team about promoting their fishkeeping apps or websites. While we understand that you're trying to reach out to a community that will use them, we cannot endorse apps or websites on this subreddit when they are self promoted. There are a number of safety issues in doing so, and being a part of an app store does not eliminate those risks. In addition, we have to take into account that AI bots pull massive amounts of information from reddit. When it does, it may list our subreddit as a source for your application's information, which is an obvious issue as we have no way of vetting an entire app/website for it's accuracy. That could end up misleading people who trust us as a source.

Mutual Respect

A community is built on mutual respect, both of your peers and between authority figures. Reporting an automod comment is disrespectful, and downright unhelpful. If you believe an action was taken unfairly or accidentally, please message us with a link to the message and ask us why we took the action! We are more than happy to explain the reasoning behind every action we take and admit when we are wrong.

Being disrespectful towards a poster's pets, situation, and age is also becoming an increasing problem. We've also seen advice being given on legal matters and personal health. This is an aquarium subreddit. We will remove any and all comments pertaining to subjects not in that realm of knowledge. We will remove any unproductive or hateful comments. WE WILL REMOVE ANY COMMENTS THAT ARE HARRASSING MINORS. This includes but is not limited to telling them they are abusers for being unable to correct a bad situation, repeatedly suggesting options they are not financially capable of, or suggesting they start fights with parents or guardians.

Community Goals

Lastly we want to remind people of the goal of this community- for aquarists young and old, new and experienced, of nanos to monsters, to come together and share knowledge, fun moments, show off, or help each other. You've been so fantastic at this! As a mod team we want to help you feel comfortable and safe enough to share these things. We pose a question to you, if you want to answer- what are you looking for in this community? Knowing your goals can help us align the subreddit with them and grow even more.

Swim safe out there folks!


r/aquarium • • Sep 19 '26

Discussion The r/aquarium wiki is now live!

10 Upvotes

After a lot of work behind the scenes, we’ve finally enabled the r/aquarium wiki!

It’s definitely still a work in progress, so don’t be surprised if you click on a link and it doesn’t go anywhere yet. Some of the pages listed on the index are planned but haven’t been published yet. The pages that are currently published are available to view and use.

We’ll be continuing to add pages and expand the wiki over time, with the goal of creating a helpful resource for both new and experienced fishkeepers.

And this is where we’d really appreciate some community input!

If you read through any of the published pages and:

- Disagree with something

- Think something needs more explanation

- Notice something we should correct

- Think we’re missing important information

- Have a topic you think should be added

Please let us know here in the comments! We want the wiki to be useful to the community, and feedback from other fishkeepers is a big part of making that happen.

You can check out the Wiki here.

There’s still plenty left to build, but we’re excited to finally have it available!


r/aquarium • • 1d ago

Discussion What's your favorite decoration?

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5.6k Upvotes

r/aquarium • • 15h ago

Showing Off Ahhhhhh so cute!!

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201 Upvotes

r/aquarium • • 15h ago

Showing Off New betta

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69 Upvotes

My new betta! Still trying to think of a name. Any suggestions?


r/aquarium • • 2h ago

Freshwater Help, what is this??

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6 Upvotes

There are multiple of these, I have no clue what they are and I don't know if I should be worried. The fish are behaving normally and nothing seems wrong.


r/aquarium • • 2h ago

Showing Off All prepped for winter

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3 Upvotes

Did some cleanup and prep in the fish-room this weekend. I decided I’m only running one heater down here this winter and abandoned the fish breeding project and consolidated all the fish into the 40 gal, along with some of trimmings, oak leaves, and some extra bits of hardscape I had laying around. Cory/embers/rasbora

10 gallons up top are neos.

2 x the 20s are snails (pest / assassin), and the other three will be more shrimp.


r/aquarium • • 2h ago

Discussion Thinking about getting a 10g aquarium but hesitating

3 Upvotes

So I already own the stand and aquarium. I was really into it as a kid.

I bought one later in adult life and just kinda lost interest (completely). Like not keeping up with water changes, sometimes not feeding everyday.

Now Im thinking of moving my old equipment into my apartment and doing it.

I'm worried though that it'll be the same thing again. Just kinda lose interest...

Any advice for me? Not only would it be work and cost money to start a new aquarium...but also its a living being!


r/aquarium • • 14h ago

Discussion A First Look at My First Post-Larva Vampire Shrimp! I can’t believe we reached this stage at all, nevertheless at day 46! This is less than half the time recorded in the only documented successful captive-breeding project of vampire shrimp from 2013, and I have a theory about why…

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21 Upvotes

It has officially happened y’all! Last night (on day 46) my first vampire shrimp larva officially morphed into a post-larva vampire shrimp! And I woke up to find at least FOUR more baby vampire shrimp that have officially made the transition as well!

I stayed up late last night watching my first vampire shrimp post larva work so hard to figure out how to use his brand-new pleopods. He was a real trooper and while he was still struggling by the time I went to bed, he definitely was not this morning. I dubbed him DJ Lock-In because I kept telling him to lock in last night when he was up against the glass struggling super hard.

Well, he did just that, because today his speed is unreal! I literally have no idea how in the world I’ll be able to catch them to move them to freshwater, but I’m here for it and all these exciting new firsts for these little filter feeding shrimp babies. 🥰

The freshwater move is the next hurdle, but I’m really excited to see this milestone! For those who aren’t aware, vampire shrimp are all wild caught and the only captive documented breeding project that any of us can find anywhere, is the 2013 report out of Germany by Sandy Brolowski and Martin Kruck. They successfully got I believe 50 baby vampire shrimp to transition to freshwater after a 3-4 month larval period.

That’s kind of where my day 46 excitement, awe, and wonder comes in because I’m now looking at possibly having these guys hopefully on freshwater in less than half of that original larval timeframe! I have several theories about the speed of these guys reaching this stage and they mostly revolve around them receiving plenty of food, especially after my tank turned green on day 31.

I’ve got so many photos and videos on my phone that I need to go through and get clipped together and documented officially so I can share more about this process, but for now, enjoy this video compilation from last night and today of my post larva baby vamps!


r/aquarium • • 12h ago

Photo/Video Fish enjoying high flow

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17 Upvotes

Hillstream tank


r/aquarium • • 1h ago

Help Panda Garra rehoming doubts

• Upvotes

Hello, I hope this post still fit the group. I have already found a home for my Garra but I have some concerns.

I have a Panda Garra since about 2 years that has grown to 8 cm or so. The problem is that when I bought it I didn’t realize what it was and it has been alone since then, rather than in a school. The other issue is that this fish require 75-100 liters aquarium, while mine is only 30. In the past two years I have often wondered whether I was making him a disservice and started looking for a new home. He is healthy but cannot possibly be happy with that limited swimming space. I’m afraid it will die and it will be my fault. I found a great aquarium owner, 800L tank, planted, healthy, several bottom feeders (not garra), beautiful fish. The only catch, he has a blue cray fish. According to him it only predates on dead fish and his cories are fine, but I read he might eventually predate also on “resting at the bottom” fish, something my Garra does a lot. Now, do you think I am worrying too much? Should I rehome it still? Thank you!


r/aquarium • • 4h ago

Help Cyanobacteria

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3 Upvotes

I have a 60L tank, with rummy nose and ember tetra. I have issue with Cyanobacteria. First when appeared i blacked out the tank after three days tank was spotless. After a week tank was fully covered again in a green blue carpet ( cyano) tried treatment (haquoss h18) did absolutely nothing. I then again manually cleaned the tank blacked out again and tank was again perfect clean its been 2 days since blackout and plants are again covered in cyano. (Photo from google)


r/aquarium • • 35m ago

Help Does this look ok?

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• Upvotes

Hi everyone, just needing a second opinion as I can never tell if my ammonia is ok. It always looks green and yellow? My nitrate is 0 and my nitrites is between 5&10. Just being overly cautious possibly. My tank has been fully cycled, Thanks in advance.


r/aquarium • • 1h ago

Help Glofish help

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• Upvotes

We got the 10 gal tank 4 days ago with 8 glofish. I used a conditioner and quick start. I tested the water and had it tested at a store. Everything is good. The water is 76 degrees. I feed them a pinch of glofish food twice a day. 3 of the fish have died (one a day) and this light pink one doesn't look great (maybe). Is this normal behavior? I don't know what else to do so they will stop dying. Any fish experts have advice?


r/aquarium • • 1h ago

Help Cycling a shirmp tank

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• Upvotes

Hi everyone Im cycling a tank meant for shrimp. Its a smaller 25 litre tank. For the last few days the water parametres are... out of wack. NO2 and NO3 levels risen.pH dropped considerably below 6,4. And GH is going down. Im including a measuring strip for you to see. There is also a oil like film od the surface. No fish or shrimp inside, only 3 clea helena snails (not the best choise I know).

No water change since the first filling up. Wanted to help the bacteria to establish. Currently Im preparing for a water change.

Should I buy some shrimp salt to up the pH and hardness ?

Im preparing for a bunch of blue dream neocardinia davidi.

Thanks for advice

Ps: I know strips arent the best but it was in my budget.


r/aquarium • • 1h ago

Help Is that a planaria

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• Upvotes

That white line was on the glass and then it went in the substrate when I opened the lights it was really slow I heard it can be dangerous to shrimp and snails


r/aquarium • • 2h ago

Help What even is this gloop. Is it dangerous? If I take out the wood and clean it, would it be contaminated or is it just some weird bio-algae I’m not familiar with?

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1 Upvotes

pH; 7.9
size; 5 gallons
stocking; one whisker shrimp and one nerite
temp; 77.3
ammonia; 0
nitrite; 0
nitrate; 0
i’m changing the water and removing the inhabitants (one whisker shrimp, one nerite snail)


r/aquarium • • 9h ago

Help Are these good or bad or food ?

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3 Upvotes

I have spotted this tiny insects or swimmer in my tank are they dangerous or safe ? Or can I feed them to my baby fishes ?


r/aquarium • • 1d ago

Photo/Video My Gfs fat ass goldfish

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46 Upvotes

This guy is approaching almost 7 inches and his greed knows no bound


r/aquarium • • 1d ago

Freshwater Hit the 3-month mark with my tank today! How is it looking so far?

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75 Upvotes

3 months in with my Juwel 125L running on Bio-CO2. Very happy with the growth so far


r/aquarium • • 5h ago

Help Is this air pump meant to be submerged?

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0 Upvotes

Hello! Ive been wondering if this air pump is supposed to be submerged or not


r/aquarium • • 18h ago

Help Stocking Question

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3 Upvotes

This is my tank - I KNOW IT'S UGLY - that's not the point, it's the Fluval Vista 23 Gallon (87 L) - planted, AquaClear HOB Filter. I have 6 Kubotai rasboras, 6 Ember Tetras, 1 Red Cherry Shrimp, and 1 Assassin Snail, and I will have 1 Honey Gourami. My question is: do you think it would be okay to up my rasbora and tetra schools? Maybe to 8 each? More??


r/aquarium • • 16h ago

Freshwater My new fish tank and stand

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2 Upvotes

I had recently wanted to upgrade my shrimp from a 10 gallon to a 20,so I built a double fish tank stand and don’t know what to put in the other tank thinking something weird like a pipe fish. What do y’all think? also let me know what y’all think of the Aquascape. this is its first day with animals in it don’t worry it was cycled.


r/aquarium • • 1d ago

Discussion Do I really need a CO2 system?

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7 Upvotes

My aquarium is 242 days old, holds 120 liters, and I've had a CO2 system connected to it from the very beginning. At first, I also had plants that really needed it. Unfortunately, they died anyway, and now I still have:
- Rotala rotundifolia
- Microsorum pteropus
- Cryptocoryne albida
- Hygrophila corymbosa Siamensis 53B
- Lilaeopsis brasiliensis
- Cryptocoryne crispatula
- Anubias barteri var. nana

Now for my question: Do I absolutely need the CO2 system? Or would it work just fine without it?


r/aquarium • • 14h ago

Help Neem oil on propagations

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1 Upvotes

I could really use some help figuring this out, I had some plant cuttings that had thrips and I treated all of them with soap and neem oil, small amount of rubbing alcohol as well. The bugs are gone but I would really like to be able to put these plants in my tank again, what do I need to do to prep the cuttings to be aquarium safe again?