Questions tagged [aquarium]

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

Filter by
Sorted by
Tagged with
0 votes
1 answer
26 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 ...
  • 103
0 votes
0 answers
51 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 ...
0 votes
0 answers
43 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.
0 votes
1 answer
61 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 ...
0 votes
0 answers
38 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 ...
  • 101
1 vote
1 answer
67 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 ...
4 votes
1 answer
75 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....
  • 41
2 votes
0 answers
44 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 ...
  • 121
1 vote
0 answers
29 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 ...
  • 111
1 vote
2 answers
38 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 ...
  • 5,828
0 votes
0 answers
34 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. ...
1 vote
0 answers
104 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 (...
  • 123
1 vote
1 answer
95 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 ...
  • 123
3 votes
0 answers
102 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 ...
  • 131
2 votes
1 answer
52 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 ...
6 votes
1 answer
223 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 ...
  • 2,605
1 vote
0 answers
41 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 ...
0 votes
0 answers
37 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.
  • 1
0 votes
0 answers
157 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 ...
  • 113
1 vote
1 answer
88 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 ...
  • 113
1 vote
1 answer
153 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.
0 votes
1 answer
125 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, ...
  • 167
2 votes
1 answer
112 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 ...
0 votes
0 answers
107 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 ...
  • 65
4 votes
1 answer
47 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 ...
3 votes
2 answers
109 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 ...
  • 31
2 votes
1 answer
133 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?
  • 121
0 votes
0 answers
74 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 ...
1 vote
1 answer
71 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 ...
  • 113
4 votes
2 answers
493 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 ...
  • 167
4 votes
0 answers
45 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 ...
  • 141
0 votes
1 answer
33 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)....
  • 101
0 votes
1 answer
124 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 ...
  • 167
2 votes
0 answers
49 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 ...
2 votes
2 answers
87 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 ...
user avatar
0 votes
0 answers
60 views

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 ...
  • 167
1 vote
0 answers
61 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 ...
3 votes
1 answer
179 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 ...
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 ...
  • 65
0 votes
0 answers
120 views

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 ...
1 vote
0 answers
21 views

How to get rid of black hair algae?

My aquarium is infested; it's on the plant leaves/pebbles/glass. I tried to remove everything manually but it soon bloomed again, big water changes, shortening the lighting time, but no success. It ...
  • 241
6 votes
3 answers
221 views

Why do my Betta fish keep dying?

I got my first Betta fish (name: Dream) back in September of 2020, he was the first pet I've ever owned and it took me a little time to be able to get him a proper home. But after educating myself ...
3 votes
1 answer
3k views

Common goldfish with "bleeding" around face, gills and fins

I look after two common goldfish in a 56L filtered tank with an airstone for additional aeration. Over the past two days, one of the fish has been appearing to be sick, suffering with what I can only ...
2 votes
0 answers
45 views

Color change in guppy

My guppy looked pretty healthy and shiny just three days ago: And yesterday... it just darkened. The scale pattern just got so dark all of a sudden. Should I be worried? And this is today:
0 votes
0 answers
42 views

Is my guppy pregnant? It's my first fish so i don't know [duplicate]

Is my guppy pregnant? I really hope it is but I'm not sure...
2 votes
1 answer
449 views

Difference of CAE, SAE, and OTTO fish

I bought an algae eater at Petsmart and I recently learned myself that there are different algae eaters that look the same at a young age. I bought an algae eater that has a brown and cream brown body....
2 votes
0 answers
49 views

Black molly male attacking female

We have 3 female black mollies. 2 black ones which have turned a bit silvery/whiteish. Originally, we had one male which had the same colour, but we noticed it will be dying soon (swimming upside ...
  • 65
2 votes
1 answer
102 views

Aquarium with mud production that clogs the filtration system

I've had a 120 L aquarium for a few years; about 40 small fish are in it (including 6 Corydoras paleatus and 12 fire tetras). Now, as of a few months ago, I've noticed that the filter, the sponge, and ...
  • 65
2 votes
1 answer
547 views

Is my guppy healthy? Its colour is weird

I just bought a male and female guppy, and the male guppy is really small, probably a month or two old. This is my first time getting a fish. The male guppy seems to have a black spot near his head. ...
3 votes
1 answer
72 views

Is there anything more that I can do to make my dwarf hamsters more comfortable and happy?

I have three Russian dwarf hamsters that are almost 41/2 weeks old now. My sister purchased two hamsters that she thought were both females, but she realized they were not once she unexpectedly ...
  • 31

1
2 3 4 5
13