Dagon / fish people in the bible and other ancient text and in fiction.

... Rashi records a tradition that the name Dāgôn is related to Hebrew dāg/dâg 'fish' and that Dagon was imagined in the shape of a fish: compare the Babylonian fish-god Oannes. In the thirteenth century David Kimhi interpreted the odd sentence in 1 Samuel 5.2–7 that "only Dagon was left to him" to mean "only the form of a fish was left", adding: "It is said that Dagon, from his navel down, had the ...