Plastic debris ingestion by marine catfish: An unexpected fisheries impact

► The work approaches the ingestion of plastic marine debris by catfishes in a tropical estuary. ► Plastic ingestion data are relatively rare for fish, especially small fish. ► These catfish species have no commercial value but are ecologically significant. ► The number of individuals studied is larger than normally found in ingestion reports (N = 182). ► Sampling was made along a tropical estuarine ecocline and along a wide time span.