In Portugal, lampreys, described as "neither fish, worm, nor eel," are a delicacy whose season is upon us: "Many of the parasites feed by sucking the blood of fish, attaching to their prey with a suction disk and teeth. The Portuguese prefer to eat them cooked in their own blood. At this time of year, for some communities on Portugal's northern rivers, lampreys are big business. They also make their way onto menus at top-notch Lisbon restaurants." (For Serious Eats overlord Ed Levine, now vacationing in Portugal.)... More