'Harmless' Fish Species Survives 'Dead Zone', Turns Predator ...

Due to the continuous churning up of deep, cold, sediment-rich water (known as the Benguela up-welling), nutrients were plentiful and many fish species, especially sardines, came here to feed and thrive off the planktonic blooms (and ...

Source: http://geteconow.com/%E2%80%98harmless%E2%80%99-fish-species-survives-%E2%80%98dead-zone%E2%80%99-turns-predator-restores-ecosystem/