By Amy Quinton, Capital Public Radio

A study has found plastic or fibrous debris in the guts of nearly one of every four fish sold at fish markets in California and Indonesia. The research raises concerns for human health.

UC Davis researchers sampled fish and shellfish from Indonesia and California. They thought the results would vary widely given the difference in recycling and wastewater treatment between California and Indonesia.

Instead, the amount of debris was the same. But in Indonesia most of the debris was plastic, in California it was fibers. The fibers could be microplastics or synthetic fibers that come from wastewater in washing machines.

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