What is in the fish? Collaborative trial in suspect and non-target screening of organic micropollutants using LC- and GC-HRMS

•Collaborative trial of 16 laboratories on suspect and non-target screening (NTS) in fish.•Comparison of test extracts by in-house and reference methods (GC-HRMS, LC-HRMS)•Reproducibility between sample preparation methods was not significantly different.•On average, 41 % (LC-HRMS) and 37 % (GC-HRMS) of spiked compounds were identified.