- Genus Pygocentrus (True piranhas)
- Pygocentrus nattereri
- Red bellied piranha
- Red breasted piranha
- Red piranha
- Common piranha
- Pygocentrus nattereri 'Ternetzi'
- Ternetzi piranha
- Yellow king emperor piranha
- Gold dust piranha
- Yellow nattereri
- Golden redbellied piranha
- Yellow redbellied piranha
- Pygocentrus cariba
- Shoulder spot piranha
- Cariba piranha
- Cariba
- Caribe
- Black shoulder piranha
- Orinoco piranha
- Black eared piranha
- Venezuelan red belly piranha
- Pygocentrus piraya
- Piraya
- Piraya piranha
- Black-tailed piranha
- Rio São Francisco piranha
- King emperor piranha
- Yellow-Striped piranha
- Pygocentrus nattereri
- Genus Serrasalmus (Pirambebas)
- Serrasalmus altispinis
- Serrasalmus altuvei
- Altuvei piranha
- "Caribe azul"
- Serrasalmus brandtii
- Brandtii piranha
- Green piranha
- "Cavaca"
- Serrasalmus compressus
- Compressus piranha
- Serrasalmus eigenmanni
- Eigenmann's piranha
- Serrasalmus elongatus
- Elongated piranha
- Pike piranha
- Pingke piranha
- Serrasalmus pinke
- "Caribe pinche"
- Serrasalmus geryi
- Gery's piranha
- Violet line piranha
- Serrasalmus gibbus
- Gibbus piranha
- Castelnau's piranha
- "Caribe dorado"
- Serrasalmus gouldingi
- Goulding's piranha
- Blue tiger piranha
- Serrasalmus hastatus
- Serrasalmus hollandi
- Holland's piranha
- Serrasalmus humeralis
- Humeralis piranha,
- Serrasalmus irritans
- Iredescent piranha
- "Caribe pinche"
- Serrasalmus maculatus
- Maculatus piranha
- Serrasalmus manueli
- Manuel's piranha
- Green tiger piranha
- "Caribe parguasero"
- Serrasalmus marginatus
- "Caribe"
- Serrasalmus medinai
- Medinai piranha
- Red throat piranha
- "Caribe"
- Serrasalmus nalseni
- "Caribe pintado"
- Serrasalmus neveriensis
- Rio Neveri piranha
- "Caribe de Rio"
- Serrasalmus rhombeus
- Rhombeus piranha
- Black piranha
- White piranha
- Peruvian black piranha
- Brazilian black piranha
- Spotted piranha
- S. niger piranha
- "Caribe Amarillo"
- "Caribe ojo rojo"
- Serrasalmus sanchezi
- Ruby-red piranha
- Ruby-throated diamond piranha
- Serrasalmus serrulatus
- "Caribe cortador"
- Serrasalmus spilopleura
- Spilopleura piranha
- Gold piranha
- Gold spilopleura
- Ruby red piranha
- Purple spilopleura
- Black piranha
- Black diamond piranha
- Speckled piranha
- Black-banded piranha
- "Caribe dorado"
- Serrasalmus brandtii
- Genus Pristobrycon
- Pristobrycon aureus
- Gold piranha
- "Palometa"
- "Palometa de Rio"
- Yellow palometa
- Pristobrycon calmoni
- Dusky piranha
- Pristobrycon careospinus
- Pristobrycon maculipinnis
- Gemarmerde piranha
- Pristobrycon striolatus
- "Caribito"
- "Palometa caribe"
- Spotted piranha
- Scapularis piranha
- Pristobrycon aureus
- Genus Pygopristis
- Pygopristis denticulata
- Five-cusped piranha
- Denticulata piranha
- Big-toothed piranha
- Gold piranha
- "Caribe palometa"
- "Caribito"
- Pygopristis denticulata
- Genus Catoprion
- Catoprion mento
- Wimple piranha
- Catoprion mento
but i would like to know how many wimple PIRANHAS can be housed in a 29 / and a 55g.
please no more on if or not they are piranha or not. thanks
--> PEVINE <--