The Hebrew in Genesis 1:21 that is translated as “sea monster” in English is translated in Elhomwe as “big fish.” (Source: project-specific translation notes in Paratext)
In Cherokee it is translated as dakwa (ᏓᏆ), a term from Cherokee mythology that denotes “an aquatic (riverine) monster (…) that is considered the father of all fish tribe.” (Source: Bender / Belt 2025, p. 48)
See also Nephilim.