Dagon

little fish; diminutive from dag = a fish, the fish-god; the
national god of the Philistines (Judg. 16:23). This idol had the
body of a fish with the head and hands of a man. It was an
Assyrio-Babylonian deity, the worship of which was introduced
among the Philistines through Chaldea. The most famous of the
temples of Dagon were at Gaza (Judg. 16:23-30) and Ashdod (1
Sam. 5:1-7). (See FISH T0001343.)