Rio San Martin - Piranhas Serrasalmus elongatus Whimple Piranha, Catoprion mento. Serrasalmus gibbus Serrasalmus gibbus Unidentified Piranha. Serrasalmus humeralis Pygocentrus nattereri, the common Red Belly. All photos by J. Cardwell, S. Jack and V. Kutty Back to ==> Bolivia 2004 http://www.geocities.com/NapaValley/5491 Latest update: 6 September 2007 Comments on this page: email me at vin dot kutty at gmail dot com