Well, I'm an Elf of the First Age. We're pretty durable, and that includes being hard to poison. If it was a fish toxin, I may have just sloughed its effects off.

[ Good thing for Hadriel! Someday the gods might decide to poison the residents just to see what kind of emotions might be evoked from such a sickness. Law might be desperately needed. ]

I see. What sizes, then? Do you mean, the sizes of swordfish, tuna, dolphins, whales?