Questions tagged [tetra]

Small schooling fish, tetra are one of the most popular groups of fish in the pet trade due to their peaceful nature, attractive appearances, and easy availability. Strictly speaking, tetra are characid fish from Central or South America, though the name is used for some of the closely-related lebiasinids and African alestids as well.

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Neon tetra left fin looks snapped and white

Hi I have 6 neon tetras in a 29-gallon tank. I noticed one of them has the left fin looking like snapped to the side and white. It swims well and eats well. No sign of discomfort from that fish. Any ...
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1answer
2k views

Best way to adjust fish tank water chemistry

I am a new fish owner with 4 tetras & 1 pleco. My tank is 10 gallon with an Aqueon QuietFlow LED 20 PRO Aquarium Power Filter The tank has been running for +3 months and it gets a 40% water ...
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363 views

3 tetras and a betta

I have just purchased a 10 gallon fish tank. I have one male betta and 3 tetras. Two of the tetras swim around together but one of them stays at the bottom of the tank in the corner and looks like ...
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Will neon tetras eat ghost shrimp babies?

Some context. I'm planning on having ghost shrimp and neon tetras in the same tank (20g), however I don't really want a lot of ghost shrimp. I currently have 7 neon tetras. Would they eat the ...
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How many ghost shrimp can I put in a 20g tank with 7 neon tetras?

I have a 20g fish tank, dimensions are around 18in high, 24in length, 12in wide. Currently it contains 7 neon tetras, a plastic column, and a plastic plant (medium size, about as tall as the tank and ...
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1answer
962 views

How can I stop my black skirt tetras from fighting?

I bought 2 black skirt tetras along with some other fish for my 10 gallon tank. The next morning one of the tetras died, from stress i think. The other tetra was on its own for about 5-6 hours. Then I ...
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221 views

White Skirt Tetra

I recently bought a white skirt tetra, and he seems to be a little on the aggressive side toward one of my Cory Catfish. This Cory happens to bee the crazy one that likes to swim really fast all over ...
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34 views

Fish Tank water change [duplicate]

How soon can I return My tetras to their tank after a water change. I have changed 50% of my tank water and want to know when I can return my fish to the tank.
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1answer
3k views

Remove fish when cleaning gravel?

How do I clean the gravel at the bottom? Stirring the bottom with gravel vac raises clouds of gunk, so I wonder if its better to remove fish while cleaning or leave them in place. I am a newbie, ...
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1answer
6k views

Why does the colour of Neon Tetras fade when they are resting?

I was told by a friend that whenever neon tetras are resting their colors fade away. This morning I took a look at my tetras before they started moving around and the colors did in fact seem to have ...
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1answer
312 views

Will neon tetras of different sizes shoal together?

I currently have 3 neon tetras and from what i've read that's not enough. I saw some diamond head neon tetras and I was thinking of getting them but they are a bit smaller than my existing tetras, ...
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216 views

Best plant, live or artificial, to include into a tropical fish tank [closed]

I have a tropical fish tank at the moment with: Tiger Tetras; Neon Tetras; 2 Catfish (I can't remember the exact species). What plant would you suggest?
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Neon Tetras what other species would work nicely with them [duplicate]

I have a tropical fish tank at the moment with 2 types of tetras in it: Tiger Tetras Neon Tetras and 2 Catfish (not sure of the exact name). I was wondering what type of fish would work well in a ...
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Why is my tetra attacking other tetras when they swim nearby?

I have 8 white skirt tetras and 17 other community fish in my 60-gal tank. Today, I noticed my white skirt tetra swimming against the filter flow (which I understand to be swimming "upstream") and ...
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7answers
11k views

Adding neon tetras to an existing school - Any concerns?

I have three neon tetras and I'd like to add some more. My reading on the subject gives me different advice on what is likely to happen. One outcome is the two sets of neons will not school together, ...
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500 views

How can I resolve a fish conflict in my aquarium?

I want to have bettas in my 50-gallon tank, which will consist of schools of fish. Suppose I obtain a group of (maybe 4) female bettas and I have a shoal of 10 neon tetras in a 50-gallon tank. There ...
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How can I determine the gender of Neon Tetras?

In my aquarium are some Neon tetra. (source: wikipedia) I'd like them to breed, but I don't know if they can because I can't determine their genders. After careful observation, I can identify some ...