Orinoco River: PUERTO CARREÑO, COLOMBIAWorkers test the water (image) World Wildlife Fund Share Print E-Mail Caption Workers test the water in tanks full of growing fish at the Fundación Orinoquía fish farm in Puerto Carreño. Their programs work to replenish fish stocks in the Orinoco River. Credit Meridith Kohut/WWF-US Usage Restrictions Only for authorized use in the context of positively promoting WWF. Photo credit is mandatory. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.