Massive amounts of dead fish are covering the beaches of Brazil and roughly 80 tonnes (175 000 lbs) have been removed from the iconic Ipanema beach in Rio de Janeiro.

The mass death, which seems to have occurred at sea right before the weekend, remains unexplained. Over 100 people are currently trying to rid a 4.5 square kilometer area from rotting fish carcases.
Environmental experts in Rio de Janeiro have suggested that the mass death might be caused by marine algae. The deaths are not limited to any specific species of family of fish.