A marine biologist holds a guajo, also known as wahoo, as she carries out research on its population control in Santa Cruz

 
A marine biologist holds a guajo, also known as wahoo, as she carries out research on its population control in Santa Cruz
Marine biologist Isabel Haro holds a guajo (Acanthocybium Solandri) fish, also known as wahoo, as she carries out research on its population control in Santa Cruz May 17, 2012. REUTERS/Guillermo Granja (ECUADOR - Tags: ENVIRONMENT)