fish harasment - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 21 Old 01-11-2011, 01:17 AM Thread Starter
Unhappy fish harasment

i hav e a 20 gallon tank with 4 danios and a cory catfish. the danios are very agressive and nip at the cory all day long. how can i keep the pesky danios of the cory? they will kill him eventually if it continues.

Last edited by 123qweasdzxc1234; 01-11-2011 at 01:27 AM.
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post #2 of 21 Old 01-11-2011, 04:33 AM
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Poor thing. Does he have a hiding spot?

And corys should be kept in groups of 5 or more. If you can't get more corys, you should return him to the LFS.

Animal testing is a terrible idea; they get all nervous and give the wrong answers.
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post #3 of 21 Old 01-11-2011, 08:30 AM
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I had to grab an extra gourami just because they were picking on eachother too much, now i am thinking of getting another! so that the game is less intense
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post #4 of 21 Old 01-11-2011, 08:48 AM Thread Starter
i have provided hiding spots but he doesnt seem to be able to find them
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post #5 of 21 Old 01-11-2011, 08:50 AM Thread Starter
willl the gorami be a leader fish and regulate the bullying?
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post #6 of 21 Old 01-11-2011, 03:23 PM
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I have always had problems with danios turning tanks into a chaotic mess. It always seems like I get one who is a complete jerk. I have now moved every danio I own to my cold water tank with my feeder crayfish and all my tanks are much more peaceful. Personally I think danios are just poor companions for tropical fish, they are actually a cold water minnow and I think the warm water just makes them crazy.
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post #7 of 21 Old 01-11-2011, 04:34 PM Thread Starter
yeah i got the danios beause they are good for begginers but they are all over the place all the time! do u have gouramis? ihave been researching them and wondring if they would make a good addition to my tank?
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post #8 of 21 Old 01-11-2011, 04:41 PM
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I have never kept gouramis, I am more of an african cichlid guy. I don't actually know why danios get so crazy, I just have theories. My suggestion would be to get a few more corys to bring your group total to 5-7. They will shoal together and feel more secure that way.
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post #9 of 21 Old 01-11-2011, 05:04 PM Thread Starter
sounds like a plan. just wondering but why cichilds? i really think tropicals are easier to take care of and prettier. what draws you to them?
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post #10 of 21 Old 01-11-2011, 05:16 PM
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I have hard water so Africans are a much better match for my water. They also have some really interesting behaviors if you like to watch your tank. Once you really get into them their are so many species and so many different looks as well. I can honestly watch my shell dweller tank for hours and be entertained the whole time.

I am also really into the more vibrant types of plecos. I currently have a group of Hypancistrus contradens growing out that I will try to breed, but I have to get 5 gallons of RO from my LFS each week just to ensure the tank water perimeters stay in line with what the fish prefer. Any more soft water fish and I would be in the market for an RO/DI unit, which I don't really want to do. I've also kept danios, pirahna, and a few other randoms.
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