In a two-year investigation conducted by Salisbury University researcher and professor, Dr. Noah Bressman, the invasive blue catfish has emerged as a major concern for fishermen and environmental groups in the Eastern Shore region. Termed "dumpsters of the sea" by researchers and watermen, these non-native predators exhibit a huge and rather 'just about anything' appetite, consuming a wide array of species and posing a threat to the delicate balance of local ecosystems.