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Questions tagged [fish]

Fish kept as pets in a natural or artificial enclosure.

2
votes
2answers
63 views

Cooling aquarium with aluminum heat sink

Summer is approaching again. Last summer, I had a lot of trouble keeping the temperature in my aquarium at 30°C. My fish prefer 21-24°C, but I couldn't get it any lower than 30. So I want to avoid ...
0
votes
0answers
16 views

Neon tetra left fin looks snapped and white

Hi I have 6 neon tetras in a 29-gallon tank. I noticed one of them has the left fin looking like snapped to the side and white. It swims well and eats well. No sign of discomfort from that fish. Any ...
1
vote
0answers
21 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
1answer
37 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...anyone know how I should go about replacing it? thanks!
2
votes
0answers
51 views

My koi fishes are dying every day

It all started last week. My big koi started to spin out of control and died the same day. I went to the pond place and they gave me a parasite treatment bottle, with instructions to use it for 3 days....
2
votes
1answer
57 views

How to transport turtle and fish via airline?

I may relocate to another country. How can I manage a flight transport for my turtle and fish? Is it realistic to do so in general? The flight is approximately 3-4 hours. The fish are black mollies, ...
3
votes
2answers
50 views

What the best way to get water up to temperature for a water change?

I'm just about to do a water change and was wondering what's the best way to get water up to the right temperature to put it back in to my tank?
2
votes
1answer
46 views

Can you use super glue on outside of fish tank?

Trim of my fish tank is leaking. Can you use super glue on outside of fish tank?
2
votes
2answers
62 views

Can I fill my aquarium with the water from a purifier?

I only have a bore well in my home so I bought an 8 stage water purifier with RA And UV which adds minerals to the water. The final water TDS Is 44. I'm keeping tropical fish such as guppies and Angel ...
1
vote
0answers
176 views

Goldfish laying at an arch- what should I do? [duplicate]

I have one common goldfish in a 20 gallon tank with a filter and heater. She has been sitting in this arch position for about 4 hours with little to no improvement (couple of little energy bursts). I ...
12
votes
1answer
4k views

Goldfish unresponsive, what should I do?

so I have a common goldfish that lives in a 20 gallon tank by herself with a filter and heater. Recently she has been showing signs of swim bladder disease because she wouldn’t swim properly. After ...
0
votes
4answers
60 views

How to raise PH in RO water? (with chemical compounds no commercial products)

I am using RO water for my newly started 100 lt aquarium and it results to a Ph of 6-6.2 which is too low considering that KH is 0. In this case, I need something to raise PH (and KH eventually). ...
0
votes
0answers
43 views

Betta sick; not sure what's wrong

My betta all of a sudden took a turn for the worse. I automatically thought it was fin rot as both fins look as though they've been nibbled on. I've treated the tank for fin rot and fungus, but he's ...
1
vote
1answer
77 views

Betta died of fungal infection, when can I add a new betta?

My little betta passed away after a long struggle of being sick, getting better, being sick. He finally developed a fungal infection that I couldn't kick and he passed away. In the immediate moments ...
2
votes
1answer
63 views

Why did my betta’s fins grow back curly?

I purchased my half moon about 3 months ago with some fin rot anddull color. This little guy’s fins grew back white and curly and just recently got color. Attached is the progress photos with time ...
2
votes
1answer
40 views

Problems keeping stable PH in aquarium

I've had some fish deaths lately and paying attention to water params, I've gotten a little concerned about my PH levels. My tap water comes out of the tap with a PH of around 7.6. After aging it ...
4
votes
2answers
42 views

Replacing gravel plants and ornaments in fish tank

I’m looking to remove all my old gravel, ornaments and plants and replacing with new ones, including a new filter. What’s the best way to do it and best way to store fish whilst doing it? How long ...
1
vote
2answers
51 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 tank, they've been fed the exact amount every day, and none of them have had problems before (other than another incident with my (now moved) ...
1
vote
1answer
60 views

Neon Tetra went missing?

I bought two neon tetras today and added them into the fish tank with all the needed procedures. One hour I see both tetras and I come back to only find one. I've moved around every arrangement and ...
5
votes
3answers
138 views

What animal can be kept in a tank just under 3 gallons?

I recently had a pet beetle larvae pass away, leaving me with an empty tank. Seeing the empty tank just sitting there makes me pretty sad, so I was wondering if it was a good size for anything else. ...
0
votes
1answer
23 views

How is GFO reactor better than PhosBan medium in the filter?

I have a cyanobacteria problem. I am using PhosBan/Phosguard as a filter medium and it doesn't really work that well, shall I worry of getting a GFO reactor or am I good with how it is? How would GFO ...
0
votes
2answers
183 views

How do I fix BAD betta fin tearing?

I’ve had my betta for a month now and hes been PERFECT!! I just looked at him now and saw that his tail is SHREDDED!! I realized that he had been glaring at the filter in the back and KNEW that he’d ...
-1
votes
1answer
47 views

Does Waterfall Discharge make the water 'cleaner' than surface discharge in a fish tank?

So, My mother is threatening to return the fish tank she got me for my birthday unless I would set the filter to waterfall discharge, I told her I wouldn't as the current is too strong for the type of ...
3
votes
1answer
65 views

Does my isolated neon need a companion

1 of my neon tetras has fin injuries... Until they heal s/he is struggling to get to the surface to feed so I've put it in a breeder tank 3" by 5" & 3" deep (it floats in my main tank) My ...
3
votes
0answers
72 views

Suddenly lethargic Antenna/ Suckermouth catfish

I've got a 31,7 gallon tank in which about 35 fishes live. For cleaner fishes it is: 2 Antenna catfish (black and brown) and since almost 4 weeks now also 5 armored catfish (others are all non ...
0
votes
1answer
65 views

How long does “giving birth” last for a molly?

How long does it take a fish to finish delivery of babies? She is a molly. I noticed two fry swimming around a day ago and haven't seen any more. Has she finished giving birth?
2
votes
2answers
127 views

Betta fish and 2 small snails

My friend’s fish tank has a betta fish and yesterday when I last saw him, he said that there are two snails in his fish tank.* I am worried about the fish in there. Do you know how to handle the ...
2
votes
2answers
71 views

I just came back from Petsmart with 3 GloFish

1 of them stays at the top, sometimes 2. The other stays near the wall. Petsmart said that my chlorine, nitrate and nitrite levels were fine. I have been running my tank before getting the fish for ...
0
votes
1answer
32 views

Relentless Nitrites

So I’ve recently set up a small 5 gallon tank, planted heavily, and started a fishless cycle. I got stuck on my Nitrite stage as a result of overdosing ammonia, but it finally came back down 3 days ...
1
vote
1answer
79 views

I have a pretty aggressive Betta

I have a pretty aggressive Betta, ever since I did a full water change because it was getting too dirty. He got more aggressive than before, he flares up whenever he sees me, I've been wanting to get ...
4
votes
2answers
83 views

Multiple Male Bettas in 200+ Gallon?

I am not doing this, nor do I plan to (due to the aggressive nature of male bettas). But I was wondering if it would be possible to house multiple male bettas in a 200+ gallon tank? I definitely ...
3
votes
2answers
82 views

Which nano fish for a big, colorful, community tank?

I'm planning to set up a big (150 x 65 x 50 cm) tank with lots of small colorful fish and shrimp. I want the tank to be heavily planted I want the tank to be very colorful I want to keep a few ...
2
votes
3answers
135 views

Fish keep dying, rogue homicidal fish or is my filter too powerful?

I have a 36 gallon tank with an Aqueon® QuietFlow Aquarium Power Filter 55/75. as of now there are 2 red minor tetras and 4 neon tetras. I had another red minor tetra and 4 more neon tetras that all ...
0
votes
1answer
36 views

What’s wrong with my Betta fish?

I can’t tell if it’s a fungus disease, but he lost all of his color. My sister never cleaned his tank so I think that might be the reason behind it, but I don’t know what disease he has so I have no ...
1
vote
3answers
702 views

Is my Betta fish dying?

Please help! My Betta fish has been laying at the bottom of the tank for a while now, and I have no idea why. I’ve tried changing the water to warmer water and cleaned the water. He did fine before ...
2
votes
3answers
38 views

What substrate/base should I use for this small fish pond?

I have bought a property that has a tiny decorative pond with waterfall and sizeable filter. It looks as though a larger pond use to be in its place. I plan to install this product: https://www....
3
votes
1answer
46 views

My fish tank still smells a little of vinegar

Is it ok to put my fish back in the tank after I've cured the silicone but it still smells a little of vinegar?
3
votes
1answer
58 views

Losing Fish Though Levels Test Fine

We have a 40 gallon tank with an established Nitrogen Cycle. We went several months with just 1 Three-Striped Cory and 3 Gold Dust Mollies. The tank has its own filter that came with it, rated for ...
1
vote
0answers
20 views

My betta is laying as the bottom of the tank with its head pointed up, why? [duplicate]

My fish lines in a 2.5 galling tank with a automatic heater and a thermometer. I got it yesterday (after my first one who lived for 2.5 years lived there) I cleaned it thoroughly and made sure no ...
1
vote
2answers
101 views

Bubbles on top of fish aquarium

I have 4 small fish in my aquarium (two Zebra Danios and 2 others which are a similar size but I don't know what they are). Every few days a lot of small bubbles appear at the top of the aquarium. ...
1
vote
3answers
88 views

Can Bettas have lazy personalities?

I had a betta a few years ago who was the most active, happy fish I've ever seen. He enjoyed hide-and-seek, watched me work at my desk, and constantly swam around his 5 gallon tank. He was a strong ...
2
votes
1answer
188 views

Why has my fish laid eggs but is a platy?

My platy was showing all the signs of being pregnant so we had it checked and she was but when it came to the day she had eggs in a sack and took 2 days for them to come out completely however we ...
0
votes
1answer
223 views

Fish disappearing in small tank [duplicate]

I have a five-gallon freshwater fish tank with 3 guppies, 2 ghost shrimp, 7 nerite snails, 1 mystery snail, and 3 dwarf catfish. 2 catfish and 2 guppies have disappeared completely. There are 0 bodies ...
3
votes
2answers
157 views

Can I keep crayfish and guppy fish together in a tank?

I have an aquarium and keep peaceful fishes together like : Angel Guppy Shark Saugmaulwels These are my fishes picture in aquarium : My fishes living together peacefully, But I intend to buy a type ...
2
votes
1answer
57 views

How many mollies and glofish can be in a 20g tank?

I’m cycling a 20g tank and I have 3 mollies currently. As the tank is done cycling, I want to add more mollies and glofish! How many of each do you recommend?
1
vote
0answers
29 views

I think my beta fish is sick, what should I do? [duplicate]

I've had my beta fish for about a year and a couple months ago I noticed its fins were turning a blackish colour and appear to look "fried" at the edges. Now my fish doesn't eat and I think its ...
2
votes
1answer
43 views

How do I clean an aquarium?

I just got a used aquarium from my cousin. It's dry, but there is black stuff on the sides, and I'm not sure how to clean it off. It's completely dissassembled, but the parts are inside. Everything ...
7
votes
1answer
74 views

Streamlining Aquarium for Frequent Travel

Currently, I have a planted 30gal tank with a male betta and a few shrimp/snails. I'm very attached to my fish, and enjoy the ability to give him a tank much larger than the average pet-store betta ...
1
vote
1answer
48 views

Silvery fish with red eyes and neon fins

Please, help me identify this fish. After going through some local aquarium & pet stores in Chengdu, China, where I am visiting, I was able to identify most of the fishes I saw. Except this one. ...
3
votes
1answer
56 views

Black long fish that can swim upside down

I am new to aquarium fish. Could anyone help me identify these species? I found it in local aquarium store in Chengdu, China, where I am visiting. It is about 6 inches long, it has a black body with ...