2 adjectives to describe cetaceans

Then the sailors, shod in boots, with cramp-hooks would take their places on the back of the enormous cetacean, and cut it up methodically in parallel bands marked off from the head to the tail.

Many a whale had received its deathblow from him, and he was eager to flesh his harpoon in this redoubtable cetacean which had terrified the marine world.

2 adjectives to describe  cetaceans