Altering Color in Piranhas - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 5 Old 04-22-2008, 11:47 AM Thread Starter
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Altering Color in Piranhas

I've heard you can darken piranhas as they get older by giving them a meaty diet of frozen foods, does anybody know a good frozen food for this?
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post #2 of 5 Old 04-23-2008, 01:46 PM
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I've never heard such a thing. Piranah have such a varied diet to begin with, anywhere from smaller feeder fish, crayfish, even mice as they get large enough... (they like live foods) and in all my years of piranah care, I have never seen a specific type of food alter their color.

What will alter their color is stress, changes in water quality, maturity, and spawning.

Dawn Moneyhan
Aquatics Specialist/Nutritionist
Juneau, WI
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post #3 of 5 Old 04-23-2008, 02:00 PM Thread Starter
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Thanks for the reply. Do you think maybe the temp could change the color?
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post #4 of 5 Old 04-23-2008, 02:18 PM
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Yes, temp fluctuations will also change their color... that is an indication of stress. The water temp should be stable at 76 - 78 degrees for piranah.

Dawn Moneyhan
Aquatics Specialist/Nutritionist
Juneau, WI
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post #5 of 5 Old 04-24-2008, 05:20 AM
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Both shrimp and krill will bring out reds and oranges.
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