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Pygocentrus Natteri


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#1 Majestic

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Posted 04 June 2006 - 07:45 AM

Here is my care sheet for the WONDERFUL fish. These guys have given me many many hours of enjoyment. For the record.......I have never culled any of my bettas to these guys. These guys eat strict diets of talapia steaks, raw shell on shrimp and halibut.

Morphology - Body shape similar to Pygocentrus cariba and Pygocentrus piraya.
Red-orange-yellow color forms, the coloration of the belly does not extend past the flank lateral line. Head and lower jaw shape is blunt, bulldog appearance.

Color of Life - Extremely variable in belly coloration, body spotting (includes reticulated pattern and non-spotting within same regions). Eye color normally has reddish tint to none, dependant on locality.

Size - Approx. 40 cm. (16") TL.
Specimen over 30 cm. (12") TL are very rare.

Sexing - Not sexually dimorphic: males and females look similar.


Red Belly Piranha Care -
Minimum tank size
For a group of 3-4 fish, you need a tank of at least 120x50x50 cm. (48x20x20").
Each extra fish requires an additional 6-8" in tank length, with 6 fish or more a tank depth of 60 cm. (24") is highly recommended.
Juvenile fish can temporarily be kept in smaller tanks.


Tank Requirements
Plants, drift wood or rocks provide hiding places, the tank lights should be dimmed.
Heavy filtration required to deal with the large amounts of waste this fish produces. A powerhead can be added to provide currents.
Extremely dangerous to hands and other extremities. Care is required in handling.


Water temperature
24-29 degrees Celsius (76-84 degrees Fahrenheit).


Water chemistry
pH should be between 6.0 - 8.0, ideal is slightly acidic to neutral water: pH 6.5 - 7.2
Soft water is preferred.


Compatible Species
Extremely dangerous. May shoal with same species and in few instances with members of same genus.

Diet
Fish (whole, fillet or feeders *), shrimp, cockles, mussels, squid, insects, earth worms, pellets.
Food items such as poultry, mamal meat and organ meat should be fed sparcely: once or twice a month at most. Meat needs to be unseasoned and trimmed of any fat.
On rare occasions this species accepts vegetables, nuts seeds or fruit as well.

* Live fish need to be quarantained first, so they are safe to feed (containing no disases or parasites). Goldfish, minnows and other members of the Cyprinid family (Carp-like fish) should be avoided, as these fish contain growth-inhibiting hormones (Thaiminase/Vitamine B1 inhibitors) that could negatively affect the fish's health and development.

References by
Kner, R. 1858, Zur Familie der Characinen. Sitzungsber. Akad. Wiss. Wien 163-168.

Kner, R. 1860, Abstract of Kner 1860.

Fink, W. L. 1993, Revision of Piranha Genus Pygocentrus (Teleostei, Characiformes), Copeia, 1993(3), pp.665-687.

#2 Majestic

Majestic

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  • Total Fish Count:Lost count at 600
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Posted 04 June 2006 - 07:48 AM

Here are some pics of them.

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Factsheet compiled by
Frank Magallanes
Jonas Hansel

#3 Scars

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Posted 01 March 2012 - 12:17 PM

Caution: graphic image of deceased piranha
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There's a couple more pics.

#4 RandomWiktor

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    I put the "fun" in fundamentalist!

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Posted 01 March 2012 - 07:11 PM

1. Can you possibly add an explanation to that first photo?
2. Make it a link with a WARNING before posting something like that in the future. This is a forum of fish lovers and some are disturbed to see things like that.
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#5 Scars

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Posted 02 March 2012 - 08:56 AM

My apologies. He was a cannibalized nattereri. I love my piranhas but anyone who has kept more than one has lost one to cannibalism at some point.

Didnt mean to shock or offend, i guess im just used to forums that regularly post pictures of their lost fish. I'll try to censor myself better.
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#6 Scars

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Posted 02 March 2012 - 08:58 AM

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Juvies are notorious for fin nips and body bites. They heal really quickly though.

Edited by Scars, 02 March 2012 - 08:59 AM.





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