Is this twitching normal? - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 4 Old 05-20-2011, 03:25 AM Thread Starter
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Is this twitching normal?

Sorry, but some reason I have encounter really bad luck this month with my fishes but anyways if someone could watch this short clip of my tetra twitching and tell me if its normal or not. He and the other red eye tetras been twitching like that since I first got them 4 months ago.

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post #2 of 4 Old 05-20-2011, 11:37 AM
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First, welcome to Tropical Fish Keeping forum.

I think what you are referring to is the fish's natural method of remaining suspended in the water. Fin movements maintain stability along with the swim bladder, otherwise the fish would sink or float or be upside down, etc. Characins (tetra) need to do this constantly.

However, there is another problem lurking, and that is stress. All tetra are shoaling fish, and must be in groups. They will be under stress if not, since they feel insecure and many species have various interactive behaviours within their shoal (group). Minimum 6, preferably more if space permits, for any tetra (some need more). Don't know the size of your tank, but there should be more of this species.

You can read more about this in our profiles, second tab from the left in the blue bar across the top. You can also click on the fish's name in posts when it is shaded to see that profile, example Red Eye Tetra.

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 #3 of 4 Old 05-20-2011, 11:39 AM
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I agree with Byron. That movement is normal, but he's lonely and trying to remain still to hide from predators-
ie guppies. (in his eyes)

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post #4 of 4 Old 05-20-2011, 12:48 PM Thread Starter
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Quote:
Originally Posted by Byron View Post
First, welcome to Tropical Fish Keeping forum.

I think what you are referring to is the fish's natural method of remaining suspended in the water. Fin movements maintain stability along with the swim bladder, otherwise the fish would sink or float or be upside down, etc. Characins (tetra) need to do this constantly.

However, there is another problem lurking, and that is stress. All tetra are shoaling fish, and must be in groups. They will be under stress if not, since they feel insecure and many species have various interactive behaviours within their shoal (group). Minimum 6, preferably more if space permits, for any tetra (some need more). Don't know the size of your tank, but there should be more of this species.

You can read more about this in our profiles, second tab from the left in the blue bar across the top. You can also click on the fish's name in posts when it is shaded to see that profile, example Red Eye Tetra.

Byron.
Thanks I will make use of it. I usually don't post anything unless I can absolutely not find an answer in here or on google. Thanks, I understand now =)
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