r/Aquariums • • 2d ago

Announcement Have an Aquarium-related question? Ask here! [Weekly Question/Help/General Discussion]

1 Upvotes

Here, you can ask any general hobby-related questions or just have a chat.

Also check out our community wiki which has answers to some common questions and concerns.

This is an automatic scheduled weekly post.


r/Aquariums • • 1h ago

Betta Copper samurai alien betta.

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188 Upvotes

Heyy y'all, I want to show you another betta fish that I have. !!

For the tank, this is just a temporary tank for me to make a video.


r/Aquariums • • 5h ago

Showing Off My Tank My Dream Aquarium has grown in beautifully

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54 Upvotes

This is my 4 foot aquarium that has become my favourite thing to look at in my house. So far its stocked with 12 rummy nose Tetras, 12 diamond tetras, 12 pepper corys, 3 emon custard plecos and 3 bristlenose plecos with my 2 new favourite fish my German blue rams. After a few months its finally grown in to a point I'm super happy.


r/Aquariums • • 1d ago

Artwork Shrimp fighting betta

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1.1k Upvotes

r/Aquariums • • 12h ago

Advice Needed Ancient Aquarium??

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115 Upvotes

I've had the idea to build an aquarium with plants and creatures that look prehistoric or could pass as such. I would love to have a small prehistoric marsh or ocean I could take care of if I could. I know for a fact that Triops fit the bill to a T but I'm not sure what else I could reasonably add that wouldn't overcrowd the tank or over-predate the other. I don't want to build until I have a reasonably thought out plan. Any advice or ideas would be greatly appreciated.


r/Aquariums • • 15h ago

Plants A duck from my neighbour came to my house and murdered shrimp and fish gone by 93% and wipe almost all my rare aquatic plant

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189 Upvotes

Can i at least get my money back


r/Aquariums • • 12h ago

Showing Off My Tank And the first fish I managed to breed......

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63 Upvotes

Honestly thought I would have bred my honey gouramis first.

But nope, the Embers in my Betta tank were gettin' busy.


r/Aquariums • • 17h ago

Discussion genuinely why do ppl hate bladder snails

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152 Upvotes

genuinely want reasons because i love them and think they're so cool and adorbs.


r/Aquariums • • 13h ago

Betta The art and the artist :)

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36 Upvotes

r/Aquariums • • 11h ago

Solved! What are these little white things in my tank:(

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22 Upvotes

I noticed these a of couple days ago, but didn’t think anything of it. I looked this morning and I could tell there was a bit more. I took a few out to see what they looked like, they were kinda stuck on. They don’t look like snail eggs, but maybe im wrong? Wth are they??😭

A couple weeks ago I brought my tank over to my new place, got the water cycled, and then added my fish. About 6 days ago, I brought home 5 guppies (all male) in my 10 gal.

I had tons of snails in my tank before I moved.. I threw everything away and bought new stuff.. minus the heater. I scrubbed and honestly hosed down my tank to get all the snail eggs off the glass.

In my tank - I have 3 little algae eaters, 5 male guppies, and 2 mixed nerite snails


r/Aquariums • • 11h ago

Showing Off My Tank clueless 17 y/o tries reefing:

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18 Upvotes

I've done freshwater before, but this was my first time establishing a saltwater tank. I went in with basically zero knowledge about reef tanks. I know my corals aren't particularly hard to keep, but I'm happy with how it has turned out! :)

Stocking: pair of clownfish, 6 hermit crabs, 1 emerald crab, 1 trochus snail


r/Aquariums • • 5m ago

Advice Needed I need help with my scape in my tank

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• Upvotes

I have this 90 liter tank where i have sand and plant substrat in. But after cleaning and moving the sand and the substrate has mix. Should i just remove the sand and only have substrat and then maybe some more plants, even when i dont have a lot of bio load ( only 1 betta and 20 shrimps )

Could i add some more fish ? so my top plants also have something to feed on ? I also more stones to do more hardscape.


r/Aquariums • • 1d ago

Showing Off My Tank 3 weeks update. Fish introduced today.

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218 Upvotes

Already had to trim 4 times, the stems are blooming. 30 neon tetra, 6 corydoras, 1 ancitrus


r/Aquariums • • 1h ago

Plants Need help with plants

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• Upvotes

this is my desktop aquarium that i’ve had set up for about 2 months now, the plants were doing really well but now im starting to see yellowing in most of the plants and the tip of some of them are completely gone. The light cycle is on from 8:30-5 and my substrate is about an inch and a half of fluval stratum and half an inch of sand. I put a Co2 tablet every 3 days and (even though i miss some weeks) put in flourish. I’ve used this formula for my 4 other tanks and have never had issues, any tips?


r/Aquariums • • 1h ago

Advice Needed Tips on managing pH?

2 Upvotes

I’ve been cycling a 30 gallon tank for almost two months and have had no luck stabilizing the cycle. I started with a fish-in cycle since I’ve had experience in the past but after two weeks of using chemical binders, Prime, using a filter from an old tank, adding buffers, and doing daily water changes with no steady change in parameters, I sent them over to my friend’s house to live in an empty tank she had that was already cycled.

It’s not been two months (nearing three) and I’m losing hope. The ammonia is always high, nitrites are always at 0ppm, and there are no nitrates either. I’m still fairly new to fish keeping, but I think my problem is the KH. My pH has been at a 6.0 the entire time, and I’ve used baking soda to temporarily raise it and tried Alkaline buffer, but my pH always back to 6.0 within 24 hours and the KH has never risen above 2dKH. I’ve added crushed coral but each time I do there’s a bacterial bloom a few days later that wipes out any progress. There have been a few times where I add buffer and I notice the nitrite and nitrate levels rising, but the next day everything crashes and the pH is back down.

It’s a fully planted tank and all are doing well, aside from some dwarf hair grass that has recently started turning yellow. I have aqua soil mixed with sand as a substrate, but it’s not supposed to impact the parameters. I’m using a sponge filter with a 10” bubble bar in the back to so I have plenty of air and water flow, and I keep the lights on for about 5-6 hours a day. The water is clear, temp is at 76°, and the only bacterial growth is some plaque coming from the filter. Any help is GREATLY appreciated!


r/Aquariums • • 4h ago

Advice Needed Are these Stono Morokos?

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3 Upvotes

Someone left them in a bucket behind a dumpster, saw them when I was taking out trash.

I used to have aquariums before but I cannot identify these fish. There were 18 in total and one of them died (the one on the tissue paper).

A friend identified them as Stone Morokos, ChatGPT is telling me they are invasive and illegal in Europe.

Wondering what to do with them.

Looking for

  1. Identification

  2. What to do with them


r/Aquariums • • 4h ago

Shrimp/Snails/Inverts Newbie progression

3 Upvotes

I'm a few months into my mini-aquarium hobby. I started with a 10l tank and the intention of a plant-only decoration (I'm keen gardener). And that turned into multiple Mason jars, an outdoor pot pond, a whole new world of plants to grow (and occasionally kill), you get the picture.

Then a few tiny ramshorns hitchhiked in, and I thought I'd keep those for fun...

And I'm a biologist by profession, so the idea of nitrogen cycles fascinated me, so why not just see if I could get my little startup tank cycled? And so on.

Now I have a 25l tank - very much jungle-style; no neat aquascaping for me - that houses four juvenile (and apparently very happy, healthy) Amanos, a couple of nerites and however many tiny ramshorns happen to be crawling around at any one time. No intention to have fish; I'm an invertebrate lover.

Really good populations of worms, copepods etc. Water is nice and stable. Shrimp molt perfectly and all snails merrily laying eggs.

I have set up a rock and wood algae farm in my old 10l tank, to swap in food treats for the shrimp and snails. It's a really hothouse.

Anyway, saying hello, wondering where this ends (I'm already eyeing up my spare bedroom for a bigger tank), and wondering if there is anything interesting to put in my startup 10l tank that currently works as an algae farm? Recommend your cool snails!


r/Aquariums • • 3h ago

Identification Request What are these hitchhiker organisms in my freshwater tank?

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2 Upvotes

There are these red worms and these white creatures, the white creatures are like triangular shaped and minuscule, i couldn't get a proper photo of them but I've circled them in white, what are these creatures?


r/Aquariums • • 23h ago

Freshwater Sucker fishes, caught from a river bathing spot

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80 Upvotes

G. monticola G. cornusaccus


r/Aquariums • • 9h ago

Requesting Feedback cat drinking aquarium water

6 Upvotes

My cat seems to love to drink my bettas fish tank water, i ofc do not allow him to and don’t allow him in my room when im not there, but until i get a lid im curious if anyone knows if theres any harm to him drinking it?


r/Aquariums • • 3h ago

Beginner Help Sea shells

2 Upvotes

My tank has been cycling for a few days now and I have noticed that we have incredibly soft water. Google is telling me that you can put old sea shells in the aquarium to fix this. Is this true? I am planning on having guppies and endlers. I have a large collection of sea shells ranging from 2 years old to 12 years old if the age makes any difference.


r/Aquariums • • 13m ago

Advice Needed Raising temperature for ich, in a tank with cooler water fish

• Upvotes

I’ve had my tank stocked for two weeks now. I’ve never gotten ich this quick but I noticed my EBA is developing white spots. I keep the tank at 75 for my Denison barbs. Does anyone who knows a lot about them know the max I can put it at for ich treatment without stressing the barbs?


r/Aquariums • • 21m ago

Advice Needed What's this in my small pond

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• Upvotes

These weird black things randomly appeared on the side of my outdoor pond along with dirtying the sides. What is this? The floor is aquasoil so it's not dirt..


r/Aquariums • • 4h ago

Advice Needed Endler breeding

2 Upvotes

My big tank has started to get to the lower end of a happy group, mostly due to old age.

Previously ive just bought more males to top up numbers. But with so few people breeding the ones i want its hard reliably to find healthy animals.

So now im debating trying to source some females instead and getting into breeding them myself.

Ive never bread animals before irl, so i dont really know where to start what to do, not to do, or even if its a good idea or not.

Would be looking at the santa Maria morph, endler guppy, because theyre my favourite. Uk based.


r/Aquariums • • 45m ago

Showing Off My Tank Update on Foggy Fish Tank

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• Upvotes

Few weeks ago I posted my fish tank asking for advice due to the fog that kept appearing. Clearly, I wasn’t well informed about starting an aquarium and keeping my fish healthy from all the replies I got. So I took everyone’s advice and did my research and began to do a fish-in cycle of the tank. Daily water water changes, adding seachem prime and stability and daily tests with the master test kit. Now my tank is consistently showing 0 ammonia and the water is much clearly and stays that way. Just wanted to share a progress picture of the same tank a few weeks apart.