japonicus) sampled in Tokyo Bay. Plastic was detected in 49 out of 64 fish (77%), with 2.3
pieces on average and up to 15 pieces per individual. All of the plastics were identified by
Fourier transform infrared spectroscopy. Most were polyethylene (52.0%) or polypropylene
(43.3%). Most of the plastics were fragments (86.0%), but 7.3% were beads, some of which
were microbeads, similar to those found in facial cleansers. Eighty percent of the plastics …