Mosquito nets intended to prevent malaria are finding an unanticipated use as fishing nets

AP: A man collects small fish caught with mosquito nets in the Brahmaputra River, in Gauhati, India, Aug. 5, 2013

Mosquito nets intended to prevent malaria are finding an unanticipated use as fishing nets all across the tropics, according to a new study.

These fine-meshed nets scoop up fish of all types and sizes indiscriminately. Experts are worried they are draining fish populations. 

But the study's authors say poverty is the main reason why the practice persists, and efforts to limit mosquito net fishing may end up hurting people who are just trying to get by.

'Pretty much everywhere'

Insecticide-treated bed nets have been an extremely successful tool against malaria. Widespread distribution of these mosquito nets are a major reason why 60 percent fewer people died of the disease in 2015 than did in 2000, according to the World Health Organization. In 2015, health officials delivered more than 150 million nets to countries where malaria is found. Nets are usually given away free or subsidized.

Read the rest