Just as an angler poised on a jutting rock flings his treacherous bait in the offshore swell, whips his long rod-hook sheathed in an oxhorn lure – and whisks up little fish he flips on the beach-break, writhing, gasping out their lives.... so now they withered, gasping as Scylla swung them up her cliff....

Which type of figurative language is contained in this passage?

simile
metaphor
irony
alliteration