LONDON — The number of fish and other species in the sea has been almost halved since 1970, according to a new report from the World Wildlife Fund (WWF) and the Zoological Society of London (ZSL).
Numbers dropped some 49% between 1970 and 2012, the report says, with global population sizes of the Scombridae family of food fish that includes tunas, mackerel and bonitos falling by 74%.
