Help with my stocking

[what_is_a_fish]

Hello everyone. I got a fish tank 50 gallon fish tank a couple months ago. i added a angelfish fish that is 6 inch long and about 9 inch tall about 2 months ago and has been there with 2 bn plecos. I have changed the scape of the tank so the territories can reset. I added 6 giant danios about a week ago and the angel was aggressive at fist but then left them alone. Yesterday i added a kribensis and there is a bit of aggression but the kribensis just backs off. The tank dimensions are 80W x 42D x 65H cm.

Now that you all know the story of my tank here is the question. I want to complete this tank with a schooling fish. The angle used to live with 4 neon tetras and never ate them. The tank has a high flow. What schooling fish can i add to the tank ?

 

[Colin_T]

What is the GH (general hardness), KH (carbonate hardness) and pH of your water supply?
This information can usually be obtained from your water supply company's website (Water Analysis Report) or by telephoning them. If they can't help you, take a glass full of tap water to the local pet shop and get them to test it for you. Write the results down (in numbers) when they do the tests. And ask them what the results are in (eg: ppm, dGH, or something else).

Depending on what the GH of your water is, will determine what fish you should keep.

Angelfish, discus, most tetras, most barbs, Bettas, gouramis, rasbora, Corydoras and small species of suckermouth catfish all occur in soft water (GH below 150ppm) and a pH below 7.0.

Livebearers (guppies, platies, swordtails, mollies), rainbowfish and goldfish occur in medium hard water with a GH around 200-250ppm and a pH above 7.0.

If you have very hard water (GH above 300ppm) then look at African Rift Lake cichlids, or use distilled or reverse osmosis water to reduce the GH and keep fishes from softer water.

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Danios are a schooling fish but aren't the best fish for angelfish due to their constant movement, which can stress some angelfish.

Virtually all tetras, barbs and danios do best in groups of 10 or more. If the angelfish is ok with the danios, then perhaps add a few more of them, assuming the GH isn't too high.

 

[what_is_a_fish]

What is the GH (general hardness), KH (carbonate hardness) and pH of your water supply?
This information can usually be obtained from your water supply company's website (Water Analysis Report) or by telephoning them. If they can't help you, take a glass full of tap water to the local pet shop and get them to test it for you. Write the results down (in numbers) when they do the tests. And ask them what the results are in (eg: ppm, dGH, or something else).

Depending on what the GH of your water is, will determine what fish you should keep.

Angelfish, discus, most tetras, most barbs, Bettas, gouramis, rasbora, Corydoras and small species of suckermouth catfish all occur in soft water (GH below 150ppm) and a pH below 7.0.

Livebearers (guppies, platies, swordtails, mollies), rainbowfish and goldfish occur in medium hard water with a GH around 200-250ppm and a pH above 7.0.

If you have very hard water (GH above 300ppm) then look at African Rift Lake cichlids, or use distilled or reverse osmosis water to reduce the GH and keep fishes from softer water.

---------------------

Danios are a schooling fish but aren't the best fish for angelfish due to their constant movement, which can stress some angelfish.

Virtually all tetras, barbs and danios do best in groups of 10 or more. If the angelfish is ok with the danios, then perhaps add a few more of them, assuming the GH isn't too high.

thanks for the reply. The gh is >150 and ph is at about 7. I really like rummynoe tetras. Do you think i can keep them. The ones i can get where i live range from 1-1.5 inch. Do you think its safe enought to get them. And if so is 15 enough ?

 

[Colin_T]

What is the actual GH in numbers?
If the Gh is under 200ppm, you could try rummynose tetras but the angelfish might eat them. Any small narrow fish is more likely to be eaten compared to fish that are higher in the body. If the angelfish doesn't eat them, then1 5 is a nice number of rummynose or any tetra.

If you do try adding small narrow fish, feed the angelfish really well about 30 minutes before you add the new fish. then hopefully it will be less inclined to eating the new fish.