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Fish kept as pets in a natural or artificial enclosure.

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I was recently gifted a goldfish, which came in a standard-size fishbowl. I know that isn't big enough, but what is the best affordable fish tank?
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my blue betta, suggest regarding its color please , what all precautions and care should I take)
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How to differentiate between a koi and a goldfish? As far as I know, both are carp. So is it a big goldfish or a small koi?
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We are in the middle of a first time fish-in cycle (an aquarium gift from a well-meaning grandparent). We have a 2 inch Comet goldfish, who has been surviving the ordeal like a champ... until today. ...
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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 ...
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This spot has been on my fishes head for a couple of weeks. It doesn't seem to be growing or changing. Does anyone know what it is and how to treat it?
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When it comes to buy a christmas tree, what precautions can I take, to choose one, my pets have an advantage from? I have in mind to use it as a toy/entertainment for my pet after it was used in my ...
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have a koi pond 3 ft by 4/8 have lost 5 koi this week ,also have had a lot of rain ,is there a connection,these koi are about a foot long ,had them about 8 years,filters are running right,and will ...
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I have some black mollies that developed popeye. I noticed a subtle white area toward the back of their body (that doesn't look like fungus or ich), and there's possible inflammation of their gills. ...
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I've been lumped with caring for the office goldfish tank. Trying to do my best, I've cared for tropicals before. One of the goldfish in the tank, my favourite, has recently started developing a ...
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Its been swimming around a lot maybe it hit the tank?
Cheeto's user avatar
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I bought a Dalmatian Molly today. She is the only fish on the tank. She’s only been in her tank 5 hours and I just got home and found 3 babies. Stores are closed as it’s late Sunday night. What do I ...
Brittany's user avatar
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3 votes
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[New aquarium owner. Pardon any lack of basic knowledge or incorrect terminology.] My fish has some weird red protrusions coming out from the bottom part of its gills that look like either "...
Vladimir's user avatar
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I have a 55 gallon freshwater tank with ADA aquasoil and have noticed that the dirt has started to have some type of brown silt forming ontop of it. It's not spread throughout the entire tank, I ...
MFerguson's user avatar
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I got 7 coral red platy for a planted ten gallon tank about two months ago. The water conditions are very good and the temperature is 76. I have 3 males and 4 females, and they have been breeding so I ...
kaori_fish's user avatar
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I have 1 goumi and I can't figure out what type he is? I think that it could be a Red Fire Dwarf Gourami but not sure.
ILOVEANIMALS's user avatar
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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 ...
mapmath's user avatar
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I have a river close to my house with huge cotton woods growing along it. During monsoons they fall and dry out. I found some nice bits and I just want to know if I can soak them and add them to my ...
Brittany's user avatar
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I have a 29 gallon, planted tropical aquarium with 6 assorted danios, two golden bristlenose, and three rainbow kribs (two female and one male) Ammonia... 0 ppm Nitrites...0 ppm Nitrates... 0-5ppm Ph....
Lani's user avatar
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I bought 2 male and 5 female guppies. (There was a language barrier, but I ordered mums and dads, so really simple words ^^) Now, as longer I look at them, I am nearly sure they sold me all males... I ...
Allerleirauh's user avatar
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We have a regular 30-gallon fish tank. We have two Plecostomus fish, and they are about 9 inches long. We feed them algae pellets regularly. They have been 9 inches long for years. We monitor the ...
Mark's user avatar
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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 ...
varuog's user avatar
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I have 1 kissing gourami. My favorite fish in my aquarium. But few days I noticed that my kissing gourami having black spots on its scales and fins. And my kissing gourami sits at the bottom of the ...
A.Asaf's user avatar
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2 votes
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I have dug out a 3ftx3ftx44ft (d/w/h) (0.9mx0.9mx13m) area for raising tilapia, and I will be adding a layer of 6mm plastic to hold the water. I want to know whether I will need to buy a heater for ...
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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 ...
Jessica's user avatar
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2 votes
1 answer
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I've a 200L fish tank with Platys breeding in it for a couple of years now. While I started with a reasonably small number, I think there are around 30 breeding sized fish in there now plus all their ...
BeowulfNode42's user avatar
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6 votes
3 answers
2k views

I have a 20 L aquarium, mechanical filter, lights with timer, everything was fine. Since the (live) plants were not "too" alive, I upgraded the light. Instead of the generic LED lamp ...
virolino's user avatar
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I think my platy is pregnant (the predominantly orange pltay in the picture). I bought her a few days ago and have noticed her to be getting larger each day but I'm looking for more advice.
Demi's user avatar
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I have an automatic fish feeder like the one below. It has an adjustable little trap that releases food into the tank. Unfortunately after a couple of days, humidity gets into the feeder and the food ...
atreeon's user avatar
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My widow tetra fishes are dying one by one.They seem to float around with lack of control and seems gasping for air.I have quarantined this fish and added some common salt to help it breathe. It is ...
techno's user avatar
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1 answer
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I have set up a new aquarium. I laid aquarium soil as the base with gravel on top. After 1-2 weeks, the white coloured stones are discolouring. Is it algae growth? I’m thinking of replacing the white ...
techno's user avatar
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1 answer
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There are fables such as this one suggesting that fish do better in a pond whose surface is pierced by one or several obstacles, such as rocks. The rationale is that such "islands" turn the ...
Vacilando's user avatar
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1 answer
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I'm about to cycle a 10 gal fish tank with maybe 1-2 neon tetras, and I was just wondering if African Dwarf Frogs and neon tetras would be a good choice.
Matthew C's user avatar
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Any technology or application or software to count birds in cages and fishes in tanks easily while conducting inspection. Am looking for an image software to count birds or fishes directly when a ...
Nesh's user avatar
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2 answers
222 views

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 ...
EJoshuaS - Stand with Ukraine's user avatar
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What is the correlation between the two scents, chemically and otherwise?
Max's user avatar
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As a test (as I was cautious even after the shop keeper said it's fine), I bought 3 Amano shrimp to add to my aquarium. One day later only one was still there (right top of the pic). All three were ...
Thomas's user avatar
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2 answers
336 views

I recently came down with a cold; I currently normally feed my fish by hand twice a day (morning and afternoon). However, I was wondering if the fact that I'm sick creates a problem for this. Also, I ...
EJoshuaS - Stand with Ukraine's user avatar
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3 votes
2 answers
180 views

Santa elves brought a 37 gallon freshwater fish tank early for Santa, youngest asked Santa for fish. Petsmart said use spring water for the tanks, so I did. Tank set up for a week. Went to aquarium ...
Koko's user avatar
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3 votes
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432 views

This morning I have found a lot of small white worms hanging around the walls of my fish tank. Do you know what it is? It might be a planaria, but I am not sure. Should I be concerned?
Alexis Nicole's user avatar
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I have some catfish, I noticed a few a them have swollen bellies, maybe 10 in 1000 have these swollen and reddish bellies, not sure if it's something to be worried about. also they are like this ...
Kennedy's user avatar
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1 answer
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My black moor get sucking in my aquarium siphon durning water change. Is there any medicine or treatment to follow to straighten the fish's back/spine?
user22624's user avatar
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Hi! I got my pleco when it was still quite small, and it quickly outgrew its 10-gallon tank (I know 10g is too small but I was on a budget) and I just now moved all my fish(pleco included) to a 36 ...
Blacksmith52's user avatar
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1 vote
1 answer
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I've got two 24 gallon tanks that both have the same filter inside of them but for some reason in one of them the sponges seem to be sort of "imploding" and I've got no idea what could be ...
Sayse's user avatar
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4 votes
2 answers
2k views

I was wondering if it is possible to keep an aquarium for tropical fish inside a garage in the UK? The garage is made of brick but does not have any insulation and therefore gets quite cold in the ...
Jsk's user avatar
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1 answer
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I have two tanks with around 30-40 guppies and when I have re-arranged the substrate / plants / decorations I sometimes find that one or two baby guppies 'appear'. The mother does not look pregnant at ...
Jsk's user avatar
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My guppy gave birth 4 times previously and each time I recorded the number of fry. The numbers of fry were: 13, 20, 8, 14. I actually witnessed the birth of the fry this time and noticed a lot of dead ...
Jsk's user avatar
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1 vote
1 answer
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I saw an answer to a question about CO2 addition, and it states that fish themselves can make water from rain acidic (I assume they do it by breathing out CO2). Now I am thinking about my small pond ...
Allerleirauh's user avatar
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I have a betta fish that I’ve had for a year now. I’m not exactly sure what kind he is, but I found a picture of him when I first got him and he was a really bright pink/purple, his tail and fins were ...
Arianna T's user avatar
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3 votes
1 answer
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It looks like a female (no colors and round belly), but it seems to have a gonopodium organ, a dot on the tail-fin that other females lack and the gravid spots near its vent are fainter and higher up ...
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