Nahuelito is a serpentine monster supposedly native to Nahuel Huapi Lake, near Bariloche city, in the Province of Río Negro, Patagonia, Argentina.
Mamlambo is a mythical shape-shifting water spirit or river goddess in Xhosa and Zulu (South African) mythology. It may manifest as a freshwater reptile-fish monster or a mermaid (woman-fish chimera).
Morag (Mòrag, Mhorag) is a cryptid that allegedly lives in the depths of Loch Morar in the highlands of Scotland.
The Bear Lake Monster is a cryptid from the folklore of the Bear Lake area in the Western United States. Bear Lake is a freshwater lake straddling the Utah-Idaho border.
The Inkanyamba is a mythical serpentine or eel-like cryptid from Zulu and Xhosa folklore.
Storsjöodjuret (or Storsjöodjur) is a lake monster from Swedish folklore.
The Lake Worth Monster is a cryptid many people reported sighting in the summer of 1969 at Lake Worth and Greer Island, Fort Worth, Tarrant County, Texas, United States.
The mussie is a lake monster from Canadian folklore. It allegedly lives in the Muskrat Lake in Whitewater Region.