The Hebrew original translated “great whales”
(Gen. 1:21) is used of “serpents” (Ex. 7:9; Deut. 32:33), and of the “crocodile” (Ezek. 29:3; 32:2). The name belongs to sea monsters (Job 7:12; Isa. 27:1). It is thought that the shark of the Mediterranean is meant (Jonah 1:17; Matt. 12:40).