neon tetra

  1. sam_mitchell98

    48l Tropical Aquarium

    After having my aquarium set up for some time now, Yesterday I decided to make my first purchase of tropical fish for my 48 litre tank. I decided to go for a school of 10, neon tetras!
  2. Flavs

    Advice on adding fish to tank

    Hello there! I would really love some advice from seasoned fish keepers! I currently have a 54L tank (60 x 30 x 30). I've currently got a gorgeous Betta, 6 Neon Tetras and 2 Cory Doras. I was wondering whether I could add a 2-3 extra neons to form more of a school and perhaps even another Cory...
  3. E

    Neon Tetra White Growth

    Hi, this is my first time posting so hopefully I get it right. I don't have any testing strips at the moment, but I got my water tested at pets at home recently and they said it was all fine. About 4 weeks ago I noticed one of my neon tetra's had a large white growth on its mouth, and that its...
  4. B

    Water levels are all wrong

    Hi. I've started a tropical aquarium for the first time and I've had it running for 2 weeks without fish. I bought a test kit that measures the GH, KH, PH, NO2 and NO3 levels. However they're all wrong The levels are showing they're this.. GH - 180ppm KH - 180ppm PH - 8.0 NO2 - 0.5ppm NO3 -...
  5. I

    Disease identification and treatment

    Can someone help identify what disease a couple of my fish have as I'm getting lots of conflicting things when googling! Background: Tank is about 3 months old, 8 neon tetras and they broke out in Ich a couple of days after I got them 3 weeks ago. Tank is fully cycled and aquascaped. Because of...
  6. Barry Tetra

    Tank mates for rosy barbs

    Can neon/cardinal tetra live with rosy barbs, tank mates, stocking info appreciated.
  7. HevvyC

    New 20 Gallon Starter Tank - Advice? :)

    Hey guys, I've just bought a 100L/ 20 gallon tank and I'm waiting to pick it up at the moment. Very excited! It comes with 2 internal filters (both Aquael 700) and a heater which is great. I was looking into keeping some honey gouramis, platies, neon tetras and maybe some leopard cory's? Nice...
  8. B

    Neon tetra fungal infection?

    I have 30 neon tetras in a planted 110gal and I have just noticed some of them appear to have small white growths around their mouths and 1 has some white tips on its fins. Am thinking it could possibly be a fungal infection? No colour loss or loss of appetite in any yet. However they do appear...
  9. H

    something is wrong with my aquarium plz help

    Hi everyone! So I am pretty new to the whole aquarium thing. I was given a 10 Gallon one as a gift. When I got it, there were 5 platyfish in there. All happy and cool. Shortly after, one of them died, but the rest were doing completely fine. I let the tank sit for 2 weeks before adding 4 more...
  10. W

    Tetras nipping Betta

    my neon tetras (10) have been nipping my betta to the point where he spends most of his time hiding and not coming out. He even blew out his fin flaring at them. They were both introduced last week to my twenty gallon which until now has just had corys. I’m wondering if I should move the tetras...
  11. Annemarie

    White Patch Neon Tetra

    Hello! So as of a few days ago my largest fish seemed to develop a white patch overnight on his fin. It looks like it’s a little fuzzy? But I’m not sure. I have aquarium salt I could use, but I have a shrimp (ghost) and dont know if he would be okay in salted water. I know how to use aquarium...
  12. Annemarie

    Adding Fish

    Hello! So after a little over four weeks of cycling my aquarium is finally ready for fish. There are some plants and all that and they look happy so I don’t think anything is wrong (parameters are testing at 0 for nitrite and ammonia) but that’s not quite my question. On Sunday I added 3 neon...
  13. A

    Should I worry if a neon tetra is away from its school?

    I have a 10 gallon overstocked tank I'm trying to un overstock and I have 1 male betta, 4 Male guppies, 1 yoyo loach (removing soon), 1 common pleco (moving soon), 4 or 5 amano shrimp (havent seen the 5th in a while) and 8 neon tetras. The tank is cycled and has been running for 10 months now...
  14. A

    Bettafix for whole tank?

    I have a 10 gallon community tank with a betta, 6 neon tetras, and 2 albino Cory catfish. I’ve had this tank for a little over a year with no problems. A couple weeks ago, I noticed what I suspect to be fin rot on my bettas tail. I went to the pet store in search of some medicine, but the...
  15. A

    Sick Neon Tetras (with fuzzy growths)

    I have a 10 gallon community tank, with one betta, six neon tetras, and two albino Cory catfish. I’ve had this tank for a little over a year, and do 25% water changes once a week. All the fish get along very well, and up until two months ago, have been very healthy. About two months ago, I...
  16. Annemarie


    Hello! I’m finally getting around to getting the actual fish tank (36 gallon bow front) because I decided to take more time to think about everything. I’ve finallt confirmed stocking and everything I need. But before I actually get stuff, I want to be prepared to quarantine. I’ll be getting the...
  17. N

    Cotton mouth disease help

    Hi, I’m new to the hobby of fish keeping and have neon tetras, harlequins and an albino corydora. I have noticed that one of my neon tetras have what I think is cotton mouth disease which i have treated but, I have accidentally left the carbon filter in my tank. I treated the tank with interpret...
  18. no_robotocha

    Why is my (soft) tap water becoming hard in the tank?

    New to this and new tank - after weeks of prep, finally have neon tetras in. Testing the water, all seems fine except for the water hardness, which is measuring at the hardest on the scale (180). We tested our tap water and this had a very soft measurement (20). We now have a new tank filter...
  19. Inkweaver313

    Tropical fish dying quickly after move wha

    Help! Backstory: I had a 45 gallon tank with mollies and neon tetras set up for about a year. The mollies were breeding like crazy (as they do) so I rehomed all but 5 males. I needed the 45 for a rescue goldfish I got so I purchased a 30 gallon tank. I set it up, let the temperature settle to...
  20. R

    Looking For Input On My First Fish Tank

    I just got a 29 gallon tank and am currently in the process of cycling it, and am trying to decide which fish i want to stock it with. I had some ideas but was hoping to get some advice from people who are a bit more experienced. My idea was to have: - Two or Three Dwarf Gourami - a school of...