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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Does anyone know this aquatic plant?

Does anyone know this plants? And will it grow sideways?
Dini's user avatar
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2 answers
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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
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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
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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
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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
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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
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25 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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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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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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3 answers
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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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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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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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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
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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
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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 ...
mapmalith's user avatar
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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
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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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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
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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
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1 vote
2 answers
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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
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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
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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
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1 vote
1 answer
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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
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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
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2 votes
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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
591 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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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
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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
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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
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1 answer
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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
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1 vote
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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
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1 answer
210 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
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2 votes
1 answer
143 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
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0 answers
136 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
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4 votes
1 answer
88 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
135 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
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3 votes
1 answer
203 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
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0 answers
126 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
88 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
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4 votes
2 answers
915 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
47 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
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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
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1 answer
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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
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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
97 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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Do I have to take my Koi Fish out of my 30 Gallon Tank eventually?

I accidentally bought a Koi fish thinking it was just a normal goldfish. After about 4 years now, he has gotten bigger (mouth to tail ~ 7 inches long) and more aggressive in our 30 gallon aquarium. He ...
ThN's user avatar
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1 vote
0 answers
68 views

Why is my betta fish starting to have a dull color? [duplicate]

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
3 votes
1 answer
271 views

Help me sex this Endler's livebearer

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 ...
matthias_buehlmann's user avatar
2 votes
0 answers
49 views

How can I prevent my plants from getting eaten too fast?

I've got a huge problem with my fish and plants. They eat them too rapidly. Put in 5 plants yesterday afternoon. Today they are half eaten already. Mostly, the sword bearers are responsible. Eaters ...
Thomas's user avatar
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Does mint plant affect guppies?

Can I try the step 1 and 2 posted here with a fish tank of guppies: Cutting a stem of mint; Placing mint stems in a glass of water fish tank containing guppies? Will guppies enjoy the mint plant? Is ...
Megidd's user avatar
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