all sorts of live and recently live fish were moved across the sidewalk : snapper and halibut and mackerel , sea bass and ling cod and yellowtail , clawless pacific lobster , dungeness crab , ghastly monkfish , with their long saberlike teeth and a single spine that jutted from their head , bracing a luminous lure they used to draw in prey , so deep in the ocean that the sun never shone .