Puerto Rico Guest® A Travel & Sports®, Inc. MasterGuide™ to Puerto Rico, © 2008 Select Language English | Español | Deutsch | Francais | Portugues Expert Help | Email this page | 34855 | Packages / Coupons / Auctions | Create Your MasterGuide™ | Advertise Maratón de la Chopa > Puerto Rico > Toa Alta > Events 787-870-0469 787-870-1220 787-870-7470FX 03/11/2009 - 03/11/2009 Chopa fishing competition. The chopa is a freshwater fish found at Río La Plata in Toa Alta. All photos © by their respective owners. Photos may not be reproduced in any form without the owners written permission. Symbol Key: Sponsors.