cardinal tetra

  1. F

    Cardinal tetra disease? Help!

    Hello, I have 5 beautiful cardinal tetras and I’ve noticed one has lost its colour and has flaky/peeling skin. I have no idea if it is a disease or any type of illness. I have guppies and Corydoras in the tank so I don’t think it’s being attacked. Could someone suggest from the pictures what it...
  2. cmhassinger

    Cardinal Tetra pregnant?

    So I have some tetras that’s I haven’t had for long and one is looking pretty fat... lol from what I see online it’s hard to tell the male and female apart so I don’t know if it’s a female. And if it is a female I also read it was hard for tetras to spawn in a normal tank?
  3. B

    What are some filters I can build alongside my undergravel filter?

    These are the images of my recently established freshwater 140 liter tank located in a dark corner in my dad's home office . In total the tank has 10 wild caught cardinal tetras and 4 corydoras duplicareus catfish and so far they have been looking healthy and active preferring to stay in...
  4. B

    How to prepare driftwood from the local lake?

    I am planning to get my first fishtank quite soon which will be a blackwater setup with 10 cardinal tetras in a 118 liter tank and possibly some mystery snails or cherry shrimp. I live in the countryside where trees and rivers are abundant and I was thinking of collecting oak driftwood from the...
  5. S

    I want more fishes

    Today, my tank looked great and the fishes were not stressed. For a week now my tank has had fishes and ammonia has Neen at0 for 2 days now. My fishes are eating good and are swimming good. Now i want to add more fishes in my tank. I have a 10 gallon with 2 guppies and 3 cardinals. I am going...
  6. S

    Unexpected death of my tetras

    Yesterday one of my tetra died and today another died. I have a 10 gallon tank with live plants(amazon sword, java fern and a plant that resembles cryptocotyne a littlebit) and driftwood. There are 5 pond snail's in it as well. Two days before I got 5 cardinal tetras and 2 guppies for my...
  7. S

    Stressed fish

    Hi I recently built a tank which is only 10 days old. I cycled the tank with bacteria in a bottle and fish food flakes and I added 5 cardinal tetras and 2 guppies in my 10 gallon tank. I have driftwood and a stone along with 7 Amazon sword stems, a java fern and a species of plant that somewhat...
  8. S

    I want a betta

    Hi I recently built a tank which is only a week old. I cycled the tank with bacteria in a bottle and fish food flakes and I added 5 cardinal tetras and 2 guppies in my 10 gallon tank. I have driftwood and a stone along with 7 Amazon sword stems, a java fern and a species of plant that somewhat...
  9. M

    Fish compatability recommendations

    Hi, I have a 64 litre (17 US gallon) tank, it has been running for about 3 weeks. All water tests are fine and fish seem healthy. I currently have: 1 male betta 1 red tailed shark 1 swordtail 1 platy 1 angelfish 1 clown loach 5 guppies 5 cardinal tetras I know this is to many fish for my...
  10. K

    Ich? Help

    Hello fish friends, I'm new to the whole aquarium thing so I need some advice/help please. I started off with just a comet goldfish in one of those little Betta tanks with a filter. Five weeks later that tank begins to leak so I took it in and they gave me store credit and they didn't have...
  11. D

    Feeding and caring for Cardinal Tetras

    Hi guys, Will be getting my Cardinal Tetra’s next week thanks to Byron’s advice. Just a question about their general care and feeding. How many feeds a day? Quantities? Best fish foods? Other general care advice to make their lives happier? Thanks, Dan
  12. D

    RO Water in tank

    Hi all, Finally cycled my tank! Took about 5 weeks but I'm now there. Water in my area is very hard. Details follow: 113 mg/l as calcium 19.755 Clarke 15.82 German I can purchase RO water from my LFS. What ratio tap water to RO water should I use if I want to keep Cardinal Tetra. I also need...
  13. ToxicAngel

    Sick Cardinal Tetra - Help

    Hi All,   I set up my tank about 6 months ago and haven't had any major issues till recently. I had 7 cardinal tetra and then 1 just disappeared about 2 weeks ago and now another looks ill. He's gasping alot and hiding all the time. He seems to have a fuzzy gray patch on his belly, hopefully you...
  14. A

    Cardinal Tetra Vanished

    Ok so yesterday I had 4 cardinal, today only 3. I've looked everywhere but can't find the missing fish. Is it possible that my angels are starting to pick off the tetras?
  15. Danielhorvath

    Setting Up A Tetra Tank:)

    Hey Guys   So I'm thinking of setting up a tetra tank, I want it to be a bigger tank that can hold neon tetra, cardinal tetra and penguin tetra. In at least groups of 5 each because they are schooling fish. Will those fish school together though? as they are all relatively the same size? I'm...
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