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piranhas are seperated into 2 groups all though only one group are really considered piranhas (Pygocentrus)

Pygocentrus are a thicker fish generally than Serrasalmus, they grow faster, live in groups more peacefully in aquariums, and are what most members here keep

Serrasalmus are considered to be Pirambeba or piranha like, they are generally slender built, grow slower, typically must be kept solitary, and have an extra row of teeth on the top of their mouth that runs perpendicular to the jaw, called palentine teeth I believe
 

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Sir Nathan XXI Posted on Apr 24 2003, 03:38 AM
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piranhas are seperated into 2 groups all though only one group are really considered piranhas (Pygocentrus)

Pygocentrus are a thicker fish generally than Serrasalmus, they grow faster, live in groups more peacefully in aquariums, and are what most members here keep

Serrasalmus are considered to be Pirambeba or piranha like, they are generally slender built, grow slower, typically must be kept solitary, and have an extra row of teeth on the bottom of their jaw that runs perpendicular to the jaw, called palentine teeth I believe.
Neoplasia has it on target they are 4 groups of fish arranged in 4 scientific names; Pygocentrus, Pristobrycon, Pygopristis, and Serrasalmus.

The spelling is palatine teeth or more correctly ectopterygoid teeth. The palatine teeth are found on the roof of the mouth not the bottom.
 

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hastatus said:
4 groups of fish arranged in 4 scientific names; Pygocentrus, Pristobrycon, Pygopristis, and Serrasalmus.

The spelling is palatine teeth or more correctly ectopterygoid teeth. The palatine teeth are found on the roof of the mouth not the bottom.
im not fimular with these 2 types of piranha. Pristobrycon, Pygopristis. what species fall into these catagorys.
 

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nitrofish said:
hastatus said:
4 groups of fish arranged in 4 scientific names; Pygocentrus, Pristobrycon, Pygopristis, and Serrasalmus.

The spelling is palatine teeth or more correctly ectopterygoid teeth. The palatine teeth are found on the roof of the mouth not the bottom.
im not fimular with these 2 types of piranha. Pristobrycon, Pygopristis. what species fall into these catagorys.
*coughclickthelinkipostedcough*
 

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"Nitro"
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Neoplasia said:
nitrofish said:
hastatus said:
4 groups of fish arranged in 4 scientific names; Pygocentrus, Pristobrycon, Pygopristis, and Serrasalmus.

The spelling is palatine teeth or more correctly ectopterygoid teeth. The palatine teeth are found on the roof of the mouth not the bottom.
im not fimular with these 2 types of piranha. Pristobrycon, Pygopristis. what species fall into these catagorys.
*coughclickthelinkipostedcough*
oh ya, just noticed that.oops
 
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