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Questions tagged [aquarium]

Indoor containers holding water and creatures (fish, crustaceans, snails, etc.). For specificity, consider adding a "freshwater" or "saltwater" tag.

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How to prepare outdoor aquarium before adding fishes?

I am trying to setup my first aquarium with 8 Chili Rasboras. The tank is to be set outside in a large pot with a submerged lotus pot in the center. On the sides I have added sand (youtube said fishes ...
Baxu's user avatar
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0 answers
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What is a safe paint to use in an aquarium?

I am building a wooden lid for my tank. I want to paint the interior that may touch the water white. I wish to stain and paint the rest clear. What paint is safe to do this?
Jamey McElveen's user avatar
3 votes
1 answer
56 views

Goldfish constantly gulping but not eating

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. ...
user27577's user avatar
0 votes
0 answers
28 views

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 ...
Nelly's user avatar
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0 votes
1 answer
48 views

Can I use garden soil for aquascape?

I have some excess garden soil with goat’s poop in it. I was wondering if I could use it as an aquarium substrate, because I want to plant some easy-growing aquatic plants in my aquariums. Aquarium ...
Dini's user avatar
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0 votes
0 answers
33 views

Does anyone know this aquatic plant?

Does anyone know this plants? And will it grow sideways?
Dini's user avatar
  • 181
2 votes
2 answers
159 views

Algae will not go away!!!! And snails, too!

Images, regional, and general info: Image 1: Strands of dark-green algae are attached to the bottom and floating in the air; algae all over the plants. Image 2: Over-rich substrate? When I hold the ...
Wolfpack'08's user avatar
1 vote
0 answers
75 views

Molly fish still has popeye after numerous water changes and medication

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. ...
EJoshuaS - Stand with Ukraine's user avatar
3 votes
1 answer
73 views

How to properly lower PH while cycling a tank?

So I am a one time betta owner and while I fell like I did alright with my last Betta (his name was Columbus and he lived a happy three years with me) I really want my next fish to have a wonderful ...
Abigail Crumbie's user avatar
1 vote
0 answers
41 views

Why does my goldfish have red under their chin, like a graze?

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 ...
ConnieMnemonic's user avatar
0 votes
0 answers
58 views

New Molly babies

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
2 votes
0 answers
34 views

Treating columnaris in aquarium

I have a 100L aquarium with 11x melanotaenias boesemani and 15x corydoras (5x each of bronze, pepper, julii). A few days ago I noticed several patches of white film on one of the juliis and it seems ...
georgiosd's user avatar
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3 votes
1 answer
79 views

Red fin-like protrusions from gils

[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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0 votes
1 answer
93 views

disappearing hermit crab? [duplicate]

I was spraying and feeding my crabs last night when I realized there was one missing. I only have 3 hermit crabs now so every-time I go over to them I check and just make sure I can see them or where ...
a hepb's user avatar
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0 votes
3 answers
90 views

Does old glass in an aquarium affect the water color?

I have a very old tank. We cleaned the tank out thoroughly by doing the following. Took out the old gravel and replaced it. Scrubbed the walls of the tank as well. Despite that, the water is still a ...
linda's user avatar
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0 votes
1 answer
72 views

Brown silt forming ontop of aquasoil?

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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0 votes
0 answers
96 views

Male Platy clamping fins and hiding

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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0 answers
46 views

What Type of Goumi is this?

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
0 votes
1 answer
95 views

What type of snail is this?

I bought some fish from a pet store and a few weeks later I noticed that there were a few snails in my tank and now it has been 2 months since I bought them home and there are a lot more then what I ...
ILOVEANIMALS's user avatar
0 votes
0 answers
72 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 ...
mapmath's user avatar
  • 101
1 vote
1 answer
106 views

Why are the leaves of my aquatic plant still yellowing in spite of fertilizing them?

I have a 29-gallon planted tank with mollies, mystery snails, and several live plants. One of my plants has been showing signs of yellowing leaves: I use Seachem's Potassium, Nitrogen, Phosphate, and ...
EJoshuaS - Stand with Ukraine's user avatar
4 votes
1 answer
154 views

Whats wrong with my danio?

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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2 votes
0 answers
175 views

What is the maximum size Plecostomus that can be kept in a 30 gallon tank?

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
  • 121
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 ...
varuog's user avatar
  • 111
1 vote
2 answers
73 views

Identify filter for fish tank?

I have a filter since some years now. Now I need some part for repair. But I can not find any print on it to identify the company. Maybe someone knows more about it. It is green, looks technical ...
Allerleirauh's user avatar
  • 5,998
0 votes
0 answers
37 views

Treating a sick Angel fish

My Angel fish has two pink growths on either side where her dorsal fins were. The fins are now missing. The guy in the fish shop said it looks like a bacterial infection and sold me some Erythromycin. ...
Suzi McCandless's user avatar
1 vote
0 answers
279 views

Does a chipped glass corner/edge compromise integrity on a rimless aquarium cover?

I received a rimless aquarium and lid that were damaged in shipping. The lid was chipped on the very corner, and I'm working on a resolution with the seller. My understanding is that some glass (...
STW's user avatar
  • 123
1 vote
1 answer
1k views

Can you help me identify baby snails in my freshwater aquarium?

I have a freshwater aquarium which I added plants and two nerite snails to approximately two weeks ago. Today I noticed two baby snails -- one about 2mm long, the other about 1mm. As noted I do ...
STW's user avatar
  • 123
3 votes
0 answers
144 views

Weird cocoon like thing in aquarium

I have a 60 liter aquarium with platies, guppies, neon tetras and some shrimp. I have a couple different plants (don't know the names). Today I noticed the following on one of the plants: It's about ...
J_rite's user avatar
  • 131
2 votes
1 answer
73 views

How much does feeding amount relate to Platy fish population?

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
6 votes
3 answers
1k views

Can too much light kill fish?

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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1 vote
0 answers
81 views

Why are leafy green vegetables safe for snails given their high copper content?

I've frequently seen leafy green vegetables like kale recommended as food for snails (in part due to their high calcium content). However, I was reading the nutritional content for several kinds of ...
EJoshuaS - Stand with Ukraine's user avatar
0 votes
0 answers
53 views

Is my platy pregnant? [duplicate]

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
  • 1
0 votes
0 answers
360 views

Widow Tetra fish dying

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
  • 113
1 vote
1 answer
320 views

Aquarium White Gravel Discolouration

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
  • 113
1 vote
1 answer
2k views

Can neon tetras and African Dwarf Frogs live together?

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
0 votes
1 answer
300 views

Why putting Peas in the Fish Tank to feed fishes clouds the fish water?

I have a 30 gallon fish tank and the water was very crystal clean when I feed my fishes ONLY their fish flakes and pellets. As soon as I threw bunch of boiled, skinned, washed peas into my fish tank, ...
ThN's user avatar
  • 167
2 votes
1 answer
168 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 ...
EJoshuaS - Stand with Ukraine's user avatar
0 votes
0 answers
173 views

Amano shrimp disappearing 1 day after adding to an aquarium

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
  • 65
4 votes
1 answer
148 views

How to change which water conditioner I'm using

I have two tanks: my ghost shrimp tank is using Tetra AquaSafe for Bettas water conditioner (the tank used to also contain a Betta fish, but no longer does). My Betta tank is using Seachem Prime water ...
EJoshuaS - Stand with Ukraine's user avatar
3 votes
2 answers
156 views

New freshwater fish tank disaster, please help

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
  • 31
3 votes
1 answer
290 views

Is this a planaria?

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's user avatar
  • 131
0 votes
0 answers
195 views

Why is my pleco growing extremely fast after being introduced to large tank?

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
1 vote
1 answer
110 views

Whats causing filters to implode?

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
  • 113
4 votes
2 answers
1k views

Is it acceptable to keep an aquarium in a garage?

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
  • 167
4 votes
0 answers
49 views

What is this white foamy structure in my aquarium?

My aquarium (180 l) is inhabited by two Mikrogeophagus ramirezi, several Corydoras julii and some uninvited ranshorn snails. Today three of these structures appeared. They are white, around 1 cm wide ...
Majiy's user avatar
  • 141
0 votes
1 answer
34 views

Are there any natural forms of aquatic vegetation which do not stand up in water? [closed]

We are carrying out some experiments where we study influence of underwater vegetation on waves. Unfortunately, the stalks of artificial 'vegetation' which we have seem to be too dense (or too stiff)....
Tom's user avatar
  • 101
0 votes
1 answer
187 views

Baby guppies 'appear' when rearranging tanks

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
  • 167
2 votes
0 answers
51 views

Salt water aquarium on a jetty over the ocean, with no filtration just constant ocean water circulation

I am very fortunate to be living in Raja Ampat, West Papua, one of the richest areas in the world for biodiversity. I also live directly on top of a fringing reef. My house is on stilts over the ...
SV Savannah's user avatar
2 votes
2 answers
98 views

Is the injection of carbon dioxide into a planted aquarium a detriment to fish living in it?

From the start, thank you for your time and consideration. Whilst planning a planted aquarium setup that would include CO2 injection, I stumbled across an article about possible behavioral ...
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