One of my tetra won't stop nip on the other one, please help! - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 10 Old 01-31-2011, 01:58 PM Thread Starter
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One of my tetra won't stop nip on the other one, please help!

Hi guys,

A bit update on my 10 gallon tank. After waited patiently for 3 weeks, I finally got 2 Long Fin Red Minor Tetra last Monday, they are beautiful.For the first 2 days things were fine, they all mind their own business, and tried to adjust their new lives in the tank. Finally after they settled in, things changed quickly. At first I thought they were just playing, but today I realized that the big one keep pick/nip on the smaller one, and I can see the top fin on the smaller one split into 2 part. I am not happy about this.

My question is? Is there anything I can do? should I add more red minor tetra? They are schooling fish so if I get more than 2 maybe this will stop? However, I really don't want any more of this fish. What should I do?

Today I also got two guppies for the aquarium, and both tetra are not happy about this, they did try to chase the guppies around. (thank goodness those guppies are fast so they usually got away from them)

Any advice guys?

Thank you thank you!

Jane
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post #2 of 10 Old 01-31-2011, 03:09 PM
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Hi there Jane,

If you're not willing to get the number of tetras needed for a proper school you should probably bring them back to the pet store and let them re-home them. The guppy tails are also too tempting for nippers.

Animal testing is a terrible idea; they get all nervous and give the wrong answers.
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post #3 of 10 Old 01-31-2011, 03:14 PM
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I agree, tetras need a minimum of 6.

You could probably fit a school of 6 neons/black neons/embers along with the guppies, but you need to fix having just the two.

You'll wake up in the morning with some tail-less guppies.

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post #4 of 10 Old 01-31-2011, 04:02 PM
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And this is even worse with the species you have, which I strongly suspect is Hyphessobrycon eques, sometimes commonly called the Serpae Tetra. This fish is a known fin-nipper, and although its aggressiveness varies they can be quite nasty to each other and anything in the tank.


We have fish profiles here, second tab from the left in the blue bar across the top of the page, or you can click on the name when it is shaded in posts, as it is above. There is info in the profile to explain what is happening. And as it notes, this species must be kept in larger groups, 8+ may reduce aggression, and in much larger tanks than a 10g. I would return these fish, they are going to be highly stressed and a constant problem.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #5 of 10 Old 01-31-2011, 04:54 PM Thread Starter
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Thanks Guys,

I think I might want to return those tetras tonight then. As much as I like them, just can't fit 6 in my 10 gallon tank for sure!

Well, can you also suggest me a middle swimmer for my tank? anything that doesn't need to be schooling and non-aggressive? I know my options here are limited but I have to try.


Thanks for your help in advance.

Jane
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post #6 of 10 Old 01-31-2011, 05:48 PM
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You mention guppies, are they just males or is there a female present? If yes, you will have hundreds in no time, and that is another issue.

Leaving that aside, in a 10g I would stay with some of the "dwarf" species, like the Ember Tetra redchigh mentioned. They are very colourful if you get the "orange/red" form, there is also a pale yellow variety that is no anywhere as "flashy". You could have 7-9 of these in a 10g with plants, they like plants, and some bottom fish. They can't tolerate hard water though, and presumably with guppies your water is probably on the hard side and basic pH (above 7), so this has to be remembered.

There are some colourful small fishes from SE Asia, the dwarf rasbora species, the Dario dario that someone asked about in another thread yesterday, or the Celestial Pearl Danio. All of these would be fine in a group of 7-9. Lots of colour, active, but suited to smaller tanks.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #7 of 10 Old 01-31-2011, 08:42 PM Thread Starter
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Quote:
Originally Posted by Byron View Post
You mention guppies, are they just males or is there a female present? If yes, you will have hundreds in no time, and that is another issue.

Leaving that aside, in a 10g I would stay with some of the "dwarf" species, like the Ember Tetra redchigh mentioned. They are very colourful if you get the "orange/red" form, there is also a pale yellow variety that is no anywhere as "flashy". You could have 7-9 of these in a 10g with plants, they like plants, and some bottom fish. They can't tolerate hard water though, and presumably with guppies your water is probably on the hard side and basic pH (above 7), so this has to be remembered.

There are some colourful small fishes from SE Asia, the dwarf rasbora species, the Dario dario that someone asked about in another thread yesterday, or the Celestial Pearl Danio. All of these would be fine in a group of 7-9. Lots of colour, active, but suited to smaller tanks.
Byron,

Thanks for your suggestions. I came back from the pet store, I got one more guppy and a Silver Lyretail Molly. Now that I have 3 guppies and they are all male, so no babies for sure! One less thing to worry about. As for the Silver Lyretial Molly, it went on hiding as soon as I released it in the tank, this is a bit disappointing. I really like the silver color of the fish, and the slick look, that's why I got it, but if this fish keep hiding, I will have to return it next week for something else. Sadly, I couldn't find Dario dario and Celestial Pearl Danio here, I will keep on searching for the Ember Tetra you mentioned. The resources around where I live are very very limited.

Jane
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post #8 of 10 Old 01-31-2011, 09:01 PM
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Byron,

Thanks for your suggestions. I came back from the pet store, I got one more guppy and a Silver Lyretail Molly. Now that I have 3 guppies and they are all male, so no babies for sure! One less thing to worry about. As for the Silver Lyretial Molly, it went on hiding as soon as I released it in the tank, this is a bit disappointing. I really like the silver color of the fish, and the slick look, that's why I got it, but if this fish keep hiding, I will have to return it next week for something else. Sadly, I couldn't find Dario dario and Celestial Pearl Danio here, I will keep on searching for the Ember Tetra you mentioned. The resources around where I live are very very limited.

Jane
If this is a 10g, you're filling it up with livebearers and i wouldn't get away from them. Mollies are nice, it will probably be out once it is settled. Moving a fish to new surroundings is quite stressful, and on its own with no other mollies, even moreso. Another for company would be nice, but fill the 10g.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #9 of 10 Old 01-31-2011, 10:40 PM
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I agree with Byron if you add one more molly the other will be happier.

Kindest Regards,
Amanda

Keeping fish its not a hobby it is a passion!

55 gallon, 44 gallon, one 20 gallon tank, three 10 gallon tanks, and a 2.5 gallon all with real plants.

I have MTS and there is no cure.

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post #10 of 10 Old 02-01-2011, 08:23 AM Thread Starter
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Quote:
Originally Posted by Byron View Post
If this is a 10g, you're filling it up with livebearers and i wouldn't get away from them. Mollies are nice, it will probably be out once it is settled. Moving a fish to new surroundings is quite stressful, and on its own with no other mollies, even moreso. Another for company would be nice, but fill the 10g.
You are right, either I get another company for the molly, or I have to think would be the best for it, after all, I don't want to stress the molly further by travel it in a bag again. I will have to wait until next week if I want to add anything, this is a new tank, so only little at a time.

I know people usually like to stock their tank to the limit, but I enjoy my tank regardless the numbers and kind of fishes in there, it gives me tranquility anyway.


Jane
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