[muhm-i-chog] 
| a silver and black killifish, Fundulus heteroclitus, found in fresh, brackish, and salt water along the Atlantic coast of the U.S. |
| mum·mi·chog (mŭm'ĭ-chŏg') n. A stout-bodied killifish (Fundulus heteroclitus) of the Atlantic coast south of the Gulf of St. Lawrence, valued especially as bait. [Narragansett moamitteaūg.] |