Fugu – Japan
Fugu or blowfish is luxurious delicacy in Japan. Fugu is served often as sashimi but it can also be deep-fried, baked, or used in salads. Chefs need to go undergo training to receive a fugu-preparing license because this fish contain a poison that is 1,200 times deadlier than cyanide.
But mosquito eggs? Nice! Sweet (or however that tastes) revenge for all the blood they took from me!
Even in Florence there's a typical meal called "lampredotto": it's one of four cow's stomach boiled in water with tomatoes, celeries, carrots and served in a sandwich with green sauce ("extravergine" olive oil, caper and parsley), hot chili pepper or simply with pepper and salt.
In many other place of Italy, pork blood is used to make sweet pies.
Also in Sardinia and Rovigo (city near Venice) the people ate cats