Questions tagged [community-aquarium]

Aquariums intended to keep more than a single species of animal. Most aquarium questions will probably involve community tanks, but this tag is only appropriate when the question specifically deals with some aspect of keeping multiple species together.

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How many betta fish can I have?

I have a 22 gallon (100 litre) fish tank with 8 male guppies. I would like to add some betta fish, female or male, but I’m unsure if them two types of fish are ok to stay together or how many betta ...
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2 votes
1 answer
48 views

How to feed a Pleco in a community tank?

I got a Pleco to control brown algae in my community tank (3 female Bettas, 1 Pleco). At this point, the algae is largely controlled, which leaves another problem: I need to increase supplemental ...
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Is my beta too aggressive for tank mates?

I recently finished setting up a 10 gallon tank with the intention of making it a Betta tank. I was reading online and saw that Bettas and rasboras share similar environments, so I decided to add a ...
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1 vote
0 answers
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Clear bubble forming on guppy fin

My male white guppy has a strange, bubble-filled pocket on both sides of his dorsal fin. It does not seem to be affecting or causing any pain to the guppy. He is acting normal. He is still energetic ...
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1 vote
2 answers
402 views

What bottom feeders are good for a 5-gallon fish tank?

I have a 5-gallon (19 liters) fish tank, with two neon tetras in it, and I am going to Petco in the future to get more fish. I was thinking about more neon tetras and some sort of bottom feeder. Are ...
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2 votes
1 answer
81 views

8.0ppm ammonia spike that's been "in effect" for about a week or two

OK, so I went into fish keeping way too fast with almost no knowledge. I will give a short rundown of what happened in my tank. I got a 5 gallon (19 liters) tank and a silver molly and a leopard ...
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4 votes
1 answer
513 views

Growing a baby betta with other fish in the tank

I know that betta fish can be aggressive towards other fish, especialyl brightly coloured ones. What I'm trying to figure out is if this is nature or nurture, if that makes sense... I have an ...
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1 vote
0 answers
28 views

What cleaner fish should I include with my aquarium?

I am planning on getting a 20 gallon Marina fish tank (24 inches x 12.5 inches x 16.5 inches). I have already planned on getting several species of fish for my aquarium. I am most likely getting two ...
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4 votes
1 answer
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Broke my Seapora AquariumController. What are my options?

I'm a fool and dropped the controller. The people at the store I bought it from didn't really have a solution on how to resolve this. Does anyone know how I should go about replacing it? Thanks!
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1 vote
1 answer
613 views

How do I maintain a population of daphnia inside a filtered tank

I have an aquarium with a HOB filter. I tried to introduce a large population of Daphnia to the tank, but by the next day, they had all been either eaten or filtered out. Is there any way to maintain ...
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3 votes
2 answers
296 views

My molly is nipping at one of the cherry barbs in my tank. What should I do? The barb is losing colour

This has never happened before. My fish are in a 20 gallon (76 liters) tank, they've been fed the exact amount every day, and none of them have had problems before (other than another incident with my ...
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4 votes
2 answers
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Can I keep crayfish and guppy fish together in a tank?

I have an aquarium and keep peaceful fish together like: angelfish; guppy; shark; Hypostomus plecostomus. These are pictures of my fish in aquarium: My fish are living together peacefully, but I ...
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3 votes
2 answers
1k views

Will my bristlenose pleco eat aquarium plants?

I've got two 20 gallon fish tanks. One has a bristlenose pleco and 5 tetras, one has 4 corycats and 4 nannostomus and a ton of plants. I am thinking of merging the two tanks as keeping both clean is a ...
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6 votes
3 answers
3k views

Can snails and betta fish cohabitate?

So my mom just brought home three snails home. One for me, and two for my brothers. I set the bag in the water for 20 minutes, and then put the snail into the tank. My female betta fish has been in ...
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4 votes
1 answer
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New guppy disappeared from tank overnight

I just got a new guppy yesterday who was living a tank with a young koi, 4 tetras and one guppy. The old guppy seemed to like the new member of the tank. The next morning the new guppy was gone! I ...
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2 votes
0 answers
49 views

Completely Self Sustaining Aquatic Environment in a Sealed Jar

I recently got the idea into my head to create an entirely self sustaining aquatic environment in a (large) sealed jar. I'd like to include: A layer of soil and gravel at the bottom A large number ...
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2 votes
0 answers
37 views

Air pump selection

I'd be really thankful if anyone who owns any of the air pumps mentioned in this article https://fishtankclub.com/aquarium-air-pump/ could tell me which one is the best, from either personal ...
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-2 votes
1 answer
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Is my tank overstocked with Goldfish?

Is this tank overstocked? There are many baby Goldish and a couple of adults (some not visible in the dark area). According to some people it should be OK, others say that goldfish need 40gal (80l) ...
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-2 votes
1 answer
726 views

how do i keep my goldfish tank's bottom clean? [duplicate]

my goldfish tank's water is crystal clear and the filter is working fine but goldfish creates a lot of waste so their manure collects on the bottom of the tank(which is bare), is it okay or will it ...
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4 votes
1 answer
1k views

What's wrong with my gourami? Has she been bitten, or is she ill?

I got home tonight and found my gourami injured. She's in a community tank, with, amongst others, five large male angels. I've taken her out of the tank into a hospital tank. I don't know if she ...
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4 votes
1 answer
982 views

Can I put newborn platies with neon tetras?

I have 4 newborn platy fry. Can I put them with neon tetras in one aquarium?
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3 votes
1 answer
736 views

Do plecos eat fish poop?

I'm wondering if plecos will eat the poop of other fish, specifically Molly fish. I've heard they eat algae growing on the aquarium walls but I don't know about what else their diet may include. I'm ...
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3 votes
3 answers
108 views

Changing out aggressive fish species?

My husband and I "adopted" a 55 gallon tank that came with a number of fish, including 2 angelfish and 7 black skirt tetras. Unfortunately we've been having an issue with both species: the angelfish ...
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2 votes
5 answers
2k views

Is my betta aggressive? Can she share a tank with other bettas or mollys?

A few months ago I had a male betta (separate tanks) pass away. I had him since I was 9, I'm currently 20. So eight months ago I adopted my fifth betta. A veiltale female. Violet. My mom and ...
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2 votes
2 answers
603 views

Red Cherry Shrimp tank mates

In our tank of 120 liters we have a starting colony of Red Cherry Shrimp, 4 adults and a growing number of smaller ones. They all live in a big pile of (curly) java moss. There are quite a bit of ...
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4 votes
4 answers
2k views

What fish can I put with my Betta?

I have a Betta fish and he is my first fish ever. I was planing on putting more fish in his tank, but I know Betta fish are aggressive to other fish. When I did some research, however, I found out ...
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4 votes
2 answers
6k views

How do you breed Daphnia to feed to aquarium fish?

There seems to be a lot of conflicting information on the internet regarding how to breed Daphnia, with the goal of feeding them to aquarium fish. Some of these at large expense including having ...
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5 votes
2 answers
328 views

Ancistrus breeding in rock pile

Is it possible to get Ancistrus to breed in a rock pile or do you need those eye sore pipe caves everyone is using. I really don't want to taint my fish tank with one of those.
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4 votes
1 answer
314 views

Will a couple of guppy males be happy in my fish tank?

Will a couple of guppy males be happy in a community tank without guppy females? Will they harrass for example platy females or will they mind their own business? The tank is a Juwel Vision 450 LED ...
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  • 203
6 votes
4 answers
4k views

Help with Fishless Cycling with Live Plants

I have some questions regarding fishless cycling of a 65L tank I have set up 2 days ago. Please bear with me. I set up the tank with tap water, and added an appropriate amount of Seachem Prime to ...
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3 votes
1 answer
1k views

How often should I feed my juvenile discus fish to grow their full potential

I have juvenile discus fish(2.5" to 3") and based on my online research it is said by many that three to four feedings in a day with wide variety of foods will help them grow healthy & to full ...
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4 votes
2 answers
1k views

Feeding mashed green peas to discus

I have been feeding my juvenile discus (3 inches / 7.5 cm each) and other cichlids in my tank with a wide variety of food like pellets, flakes, bloodworms, beef heart mix, etc. (4 ...
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3 votes
2 answers
317 views

Benefits of adding aquarium salt to freshwater juvenile discus tank

One of my friends suggested that I add "API Aquarium Salt" to my 40 gallon freshwater tank to promote good health for the fish. He mentioned it will kill some bacteria that can attack freshwater fish. ...
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6 votes
2 answers
3k views

One discus fish bullying the other discus

I have two discus as recent additions to my tank. They are 3 inches each and they are the only discus I currently have in my tank. I have been observing them for a week and one of them is constantly ...
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7 votes
3 answers
11k views

Does medicating an entire tank harm healthy fish?

I have a female guppy, that's been through a lot of stress over the past year. She's moved from my friend's overcrowded, unclear green algae tank to mine, has had babies 4 times, has had internal ...
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2 votes
0 answers
184 views

Flourish Excel melting my hair grass and ludwigia

Folks, I got a nano-tank setup of 6 gallon (around 23 liters), in which I got: Tall Grass (Eleocharis Vivipara) Ludwigia Mini Dwarf Hair Grass (Eleocharis Acicularis) For the first 3 weeks I didn't ...
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2 votes
1 answer
3k views

White dots appearing on the drift wood surface

In my newly set aquarium, white dots are appearing over the drift wood surface. I don't know what it is and don't know how to avoid it. Its a newly planted aquarium with no fish. I haven't introduced ...
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2 votes
2 answers
670 views

Full Spectrum LED (400nm to 840nm) vs Grow Light LED (RED+BLUE)

I'm planning to buy lights for my planted aquarium tank. After a small research I found that regular lights are not suited for growing plants. Beacuse they need BLUE for leaf growth and RED for stem ...
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5 votes
2 answers
2k views

Any tank mates for an African clawed frog

My aunt keeps forgetting to feed her African clawed frog and offered it to me. I think this frog would be cool with other fish or amphibians but I've also heard of them eating some. I would like to ...
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3 votes
1 answer
18k views

How to use CO2 tablets for aquarium?

I'm new to live planted aquarium. Recently, while looking for CO2 system for my 22 liters (about 6 gallons) tank, I came through a product named CO2 tablets from generic seller. But I don't know the ...
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4 votes
2 answers
562 views

Nitrogen cycle for new fish tank

I recently bought a fish tank. I googled about basics for setting up a fish tank. Almost every webpages help me to understand how important the nitrogen cycle is for a healthy fish tank. So I decided ...
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2 votes
2 answers
76 views

50g filter for 4g aquarium

I am setting up a small 4g aquarium. I have a large filter from my old tank that I want to reuse. Is there a disadvantage at putting 50g filter into a small tank?
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4 votes
1 answer
184 views

Fish that do not spawn in freshwater aquarium?

I am looking for a species of fish that I could keep in a 10 gallon freshwater aquarium that will not spawn- either because I could easily keep all one sex or because the fish require special ...
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5 votes
8 answers
24k views

Do betta fish attack snails?

I had a small snail (about 1" / 2.5 cm shell) in the same tank as my betta fish. They seemed to both be doing fine living together for the 7 months I've had them. But this week, I checked up on the ...
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5 votes
2 answers
187 views

Pretty, bright, unusual and active fish acquisition advice for kids

I'm looking to get an aquarium for my daughter, but I don't want it in her room, I want it in the lounge, so everyone can enjoy it! I like things to look tidy so have been having a hard time finding ...
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2 votes
0 answers
96 views

How to setup a planted aquarium

I have a 4 feet by 6 feet hole newly introduced on one of my walls. This wall in particular, separates the foyer and the drawing rooms in my house. I have mentally worked out a plan to use this hole ...
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1 vote
2 answers
1k views

Mollies with Bettas?

Yesterday I bought 3 balloon mollies to put in a 20L tank, which I also added my male Betta shortly after. How long should it take for them to get along? My Betta was a little defensive, not attacking ...
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2 votes
2 answers
1k views

My fish are slowly sinking in the tank and then they die ....pls help

I am a noob in fish keeping and bought a 10 gallon aquarium 2 days back. It had 3 neon tetras, 5 guppies and 2 Indian glass fish. On the first day one of my guppies started coming to he surface quite ...
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2 votes
2 answers
278 views

White Skirt Tetra

I recently bought a white skirt tetra, and he seems to be a little on the aggressive side toward one of my Cory Catfish. This Cory happens to bee the crazy one that likes to swim really fast all over ...
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1 vote
1 answer
298 views

Can an Albino Shark stay with a guppy in the same tank?

I recently bought a few guppies and two albino sharks. I have a seven gallon tank. Can I keep both of them together or separate the guppies in my five gallon tank?
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