Diamond Tetra School - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 18 Old 12-03-2012, 09:40 PM Thread Starter
Diamond Tetra School

Quick Question...

What should be the common ration of males to females in a Diamond Tetra School and why?
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post #2 of 18 Old 12-03-2012, 11:36 PM
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I guess it doen't matter unless you are trying to breed them, 2 males for a girl so all the eggs are fertilized.
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post #3 of 18 Old 12-04-2012, 04:27 PM
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It doesn't seem to matter too much, this in my experience is not a tetra where the males relentlessly drive females, so something around an equal mix of male/female is fine.

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 #4 of 18 Old 12-05-2012, 08:57 PM Thread Starter
I'm not necessarily trying to breed them. I am merely trying to keep the peace in the community tank. I didn't want to get nothing but flashy males and have them fighting each other all the time and causing unnecessary stress...
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post #5 of 18 Old 12-06-2012, 11:16 AM
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Quote:
Originally Posted by VerdantGrotto View Post
I'm not necessarily trying to breed them. I am merely trying to keep the peace in the community tank. I didn't want to get nothing but flashy males and have them fighting each other all the time and causing unnecessary stress...
Generally, for species such as this, a mix of male/female is always best. Male characins will often exhibit behaviours and colouring when females are present, and observing natural behaviours is one of the great joys of keeping fish. The exact ratio as I said previously doesn't seem to matter much, but I would try to get it fairly close for the best from the fish.

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 #6 of 18 Old 12-06-2012, 12:08 PM
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I agree, I have 10 and they spawn quite regularly. I believe I have 6 males and 4 females, and the males do flare at each other while attempting to drive the females into the plants. They mostly don't get violent though, mostly just shows, but I have seen a male look a bit rough on the fins from time to time. It would be better I think if it was 5/5 or possible 4/6 with there being more females than males. They'll form a pecking order of sorts, I have one male that very much acts like the king of the tank.

Still though, my fish appear to be happy, and I have one little fry that managed to make it against the odds and is about 1/2" in size now.

Seing the males flare at each other though is quite fun to watch, as that is when you'll see the males with their fins fully extended and looking their best. Then see them get shot down by the females when they are not ready to spawn.
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post #7 of 18 Old 12-06-2012, 08:26 PM Thread Starter
I appreciate your responses. This will be beneficial when i get my 55G soon
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post #8 of 18 Old 12-15-2012, 02:30 PM
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No bullying by Diamond Tetras

I haven't had the experience with these that Geomancer describes, but I had 8 of them for quite some time, and in my experience at least they didn't bully each other. I love them - so sparkly - and I don't tolerate any bullying in my tanks (makes me nervous), so these were a good fit for me.
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post #9 of 18 Old 12-16-2012, 06:07 AM
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I tend to agree with Geomancer.
I personaly tend to go for more females, as this stops the males fighting to mate.
Once the fish are established in the tank they do find a pecking order and settle down relatively quickly and any fighting to achieve a pecking order soon stops.
Male Diamond Tetra's do flare at each other, but this does not stress them undully, it is all part of the mating rituals that these fascinating fish show.
Enjoy your diamonds
Ray
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post #10 of 18 Old 12-17-2012, 09:03 PM Thread Starter
Thanks to everyone for all the great tips! I can't wait to get my new 55 Gallon next week. I think waiting through the cycle period will be the longest time ever.
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