mudsucker
/ˈmʌdˌsʌkə/noun
1Any of various birds, especially waders, that obtain their food from mud.
2 US. Any of various North American freshwater fishes that feed on the bottom of streams and ponds; especially a goby, Gillichthys mirabilis, often used as bait.
Origin
Late 17th century; earliest use found in John Ray (1627–1705), naturalist and theologian. From mud + sucker.