On August 16th a swarm of dead fish was seen washing onto the Mar Menor beaches. Back in October 2019, a load of oxygen-starved fish washed into the lagoon beaches around the Costa Blanca. Thousands of small fish along with an octopus and some shrimp were found dead ashore. The regional Murcia government officials have now taken water samples from the area. Focusing on whether the condition of the waters was to blame or if it was a specific case of pollution.