Atlantic Killifish (IMAGE) Dartmouth College Caption Atlantic killifish, also known as mummichogs and mud minnows, are contaminated with toxic mining metals from a Superfund site along Maine's central coast. Credit NOAA Usage Restrictions NOAA must be credited. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.