Pirhana tank! - Page 3 - Tropical Fish Keeping - Aquarium fish care and resources

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post #21 of 23 Old 11-29-2008, 08:05 AM
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I saw a really interesting documentary the other day on wild Piranha. Might have been discovery channel. It was really interesting. You might want to see if you can find it online, or watch for it to come on. One of the things I found fascinating is that they fin nip as a food source. Little piranhas fin nip because they are not big enough or fast enough to hunt other prey. They showed piranha mixed with full grown wild silver dollars and pacu. It was neat. Check it out.
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post #22 of 23 Old 11-29-2008, 01:19 PM
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Quote:
Originally Posted by Chrisseh View Post
I saw a really interesting documentary the other day on wild Piranha. Might have been discovery channel. It was really interesting. You might want to see if you can find it online, or watch for it to come on. One of the things I found fascinating is that they fin nip as a food source. Little piranhas fin nip because they are not big enough or fast enough to hunt other prey. They showed piranha mixed with full grown wild silver dollars and pacu. It was neat. Check it out.
In fact most wild Piranhas main source of food is nipping fins of each other and other fish. They also eat a certain amount of plants aswell especially if other food sources are unavailable..
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post #23 of 23 Old 12-18-2008, 03:51 PM Thread Starter
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Hey all, here with another update.

I now have 4 rapidly growing piranha, the largest of which is still easily twice the size of the others, and therefore I now fear their exponential growth, and look forward to seeing them when older.

I have finally lowered the PH to a low 6.8, and temperature has been kept at 76 degrees. The water started to get a little cloudy so I added 2 freshwater Asian clams. They haven't gotten it as crystal clear as they have in my 55 but it improves slightly every day. I am experiencing something new; string algae. I like it so will take no effort to remove it unless it gets out of control.

They have been very complacent (further destroying my house's stereotype towards them). Since my last post the same guppy has been in there with them, eating flakes together, competing for scraps of raw fish, shrimp, frozen brine shrimp, and beef heart. They got along awesomely until today that is (20 days of friendship) since I had gotten home late last night I opted out of feeding them and just put them to bed today the guppy became a casualty of hunger. No big deal, just grabbed another male from the 55 gallon tank and tossed him in, but this proves to me what I've read all along, keep them fed and they are calm enough for even a community tank setup.

I have also added the coolest piece of driftwood ever and an albino bristlenose pleco to munch on it. The driftwood is the base of something, circular, naturally makes a cave, and had hollowed knots that I will plant bulb plants into after it finishes getting worked on by my tank's chemestry. And finally, since I do not keep my shrimp in this tank, I dont have to be paranoid about fertalizers and have put one of my smaller brazilian swords in there. It is flourishing, already gone from a pale tan and kind of droopy to a perky bright green plant.
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