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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Is my platy still pregnant?

First time trying to keep fry alive here so have been keeping an eye on this mummy fish. A few days ago she looked alot "rounder" now she appears a little flat? I'm aware they get a boxy ...
4 votes
1 answer
7k views

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 ...
14 votes
5 answers
29k views

Which shrimp will co-exist with my loaches and schooling fish?

I plan to keep about 4 yo-yo loaches and a few shoals of schooling fish (neon tetras, danios, mollies, and maybe more smaller fish) in my tank. I heard that ghost shrimp eat small fish. What type ...
2 votes
1 answer
162 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 ...
1 vote
4 answers
231 views

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 ...
4 votes
3 answers
1k 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 ...
0 votes
0 answers
70 views

Medicine for Aquarium Fish wound

Any tips on how to treat the fish's wound in the linked photo, including what medication to use? Additionally, I'm new at making fish and I've only had my new fish for three days. I only became aware ...
1 vote
0 answers
33 views

Beginner level community fish tank

I am planning to set up a 40 gallon(breeder) fish tank to house easy beginner level fishes. I want to go with small fishes. Below are the max combination i came up after researching. 6 - neon tetra 2 ...
4 votes
3 answers
6k views

Did my catfish kill my betta

I have a 4 gallon small tank and a larger 15 gallon tank. In the smaller tank I have a couple of guppies, a sailfin catfish and a male fighter. I have kept this combination of fish before without any ...
1 vote
1 answer
1k 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 ...
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 ...
3 votes
5 answers
15k views

Mixing African cichlids with goldfish

I have goldfish in a tank. I added cichlids 3 weeks after. They died over the weekend. I don't know if it was the heater I have in there or I could have overfed. My question is what do I do to next ...
4 votes
2 answers
6k views

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 ...
3 votes
2 answers
724 views

What is the best cold-water fish to control a baby guppy population?

I have a tank with 3 guppies, 2 fire belly newts, and one Borneo sucker. Guppies, being guppies, have young frequently. I would like to control their population, if possible, by introducing a fish ...
3 votes
3 answers
117 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 ...
7 votes
3 answers
13k 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 ...
3 votes
2 answers
2k 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 ...
4 votes
1 answer
2k 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 ...
2 votes
1 answer
2k views

Can I put a red tailed shark and 2 three-spot gourami in a 55 gallon tank?

I am getting a 55 gallon (around 210 L) tank and I am planning on getting a red tailed shark and two three-spot gourami. Is this good? I have looked at millions of other websites and they say it's ...
1 vote
0 answers
644 views

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 ...
5 votes
2 answers
191 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 ...
2 votes
2 answers
625 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 ...
4 votes
0 answers
496 views

What causes a Norman's lampeye to lose the ability to move it's tail fin?

I have an aquarium with eight Norman's lampeyes (unfortunately 5 male, 3 female) and some other fish. Last Sunday I discovered that one of the Norman's lampeyes wasn't doing so well. She was nearly ...
3 votes
2 answers
330 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 ...
4 votes
1 answer
109 views

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!
1 vote
2 answers
915 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 ...
3 votes
1 answer
19k 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 ...
2 votes
1 answer
177 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 ...
4 votes
2 answers
2k 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 ...
15 votes
4 answers
3k views

Which fishes can live together with neons?

I have some 50 neons in my aquarium. Recently, I've added some black tetras. They live together very well. What other species could I add so that they would still live "in peace", i.e., without ...
4 votes
1 answer
1k 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?
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 ...
5 votes
8 answers
27k 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 ...
7 votes
4 answers
12k views

Do giant gouramis tolerate tank mates?

Right now, I have 2 fish tanks in my home and it is very difficult for me to maintain both at the same time. I have attached images of both fish tanks and fish living in them. In the first fish tank ...
11 votes
3 answers
11k views

Aquaponics: lobsters, clams, oysters and tilapia all in the same tank?

I've really been getting into gardening over the past year and have just started looking at aquaponics. I hope to one day build my own homestead, and want a big greenhouse with a central aquaponics "...
4 votes
2 answers
1k views

Does stability comprise a pH buffer?

I went to the pet store to get some advice regarding the water quality in my 100L freshwater aquarium (which is stocked with fish). Since taking over this aquarium, I've notice that the pH tests no ...
2 votes
0 answers
207 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 ...
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 ...
2 votes
2 answers
698 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 ...
4 votes
3 answers
2k views

My guppy & betta fish ignore cucumber

To be honest I was a bit surprised when I heard that fish can eat cucumber. I though it's a joke till I watched it with my own eyes on Youtube: https://www.youtube.com/watch?v=4pt4ZdEKniQ. From what ...
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 ...
5 votes
2 answers
374 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.
4 votes
1 answer
1k 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 ...
6 votes
2 answers
4k 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 ...
1 vote
0 answers
30 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 ...
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 ...
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 ...
1 vote
2 answers
2k 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 ...
-1 votes
1 answer
794 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 ...
-2 votes
1 answer
1k views

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) ...