Zante or Baltic vimba. A fish. Could you send details (and a picture) to queries@whatamieating.com if you know more?
Ortanique. A sweet, tender citrus hybrid, a cross between a tangerine (or mandarin orange) and an orange, with few pips and thin skin, easy to peel, grown under a number of names, depending on the place of origin. This name, ortanique, is made up from the letters at the beginning of the words "orange" and "tangerine" and at the end of "unique".
Cassava. Manioc. Yuca. Fleshy, starchy tubers with tough brown skin and crisp white flesh, originally from Brazil but now widely cultivated. There are two types, sweet and bitter. Avoid the bitter one. Throughout the Amazon basin there are 26 varieties, each thriving under different conditions. The process of making it into flour or tapioca removes the toxins.
Fly agaric. A type of mushroom, the classic red with white spots. Famous for its psychoactive hallucinogenic properties this is the magic mushroom and is actually poisonous to eat.