More on Atergata from Infoplease:

• Atergata - Atergata A deity with the upper part like a woman and the lower part like a fish. She had a temple ...
• Dagon - Dagon (Hebrew, dag On, the fish On). The idol of the Philistines; half woman and half fish. (See ...
• Dictionary of Phrase and Fable: A - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "A"