Main Fiction: “Spawn of Dagon” by Henry Kuttner, first published in Weird Tales, July 1938.
Narrator: James Silverstein.
An eldritch, fearsome tale of the worship of the fish-god in the ancient world, and the prowess of a doughty swordsman in old Atlantis.
Weird Tales magazine: http://www.pulpmags.org/PDFs/WT_1938_07/index.html
Cthulu Mythos art on Tumblr: http://infinitemachine.tumblr.com/post/82614081859/fckyeahhplovecraft-marc-simonetti-1-cthulhus