Researchers predict that 12.7% of marine teleost fish species are at risk of extinction, up five-fold from the International Union for Conservation of Nature’s prior estimate of 2.5%. Researchers predict that 12.7% of marine teleost fish species are at risk of extinction, up five-fold from the International Union for Conservation of Nature’s prior estimate of 2.5%. Plants & Animals Ecology Phys.org – latest science and technology news stories