Seafood mislabelling is caused by eating certain reef fishes whose flesh is contaminated with toxins. The CDC states the following about Ciguatera: Ciguatera fish poisoning (or ciguatera) is an illness caused by eating fish that contain toxins produced by a marine microalgae called "Gambierdiscus toxicus". People who have ciguatera may experience nausea, vomiting, and neurologic symptoms such as tingling fingers or toes. They also may find that cold things feel hot and hot things feel cold. Ciguatera has no cure. Symptoms usually go away in days or weeks but can last for years. Because the toxins are very heat-resistant, consumers cannot protect
An ass eating thistles in the Netherlands is suggested by the engraver Rafael I Sadeler's emblematic "Landscape with ass eating thistle". Dating from 1598/9, it is based on an earlier design by Matthijs Bril. Earlier still, the Flemish engraver Marcus Gheeraerts the Elder had been involved in illustrating a similar emblem book based on fables, "De warachtighe fabulen der dieren", 1567. Some of his designs were adapted by his son, by then a religious refugee in England, as rondels for trenchers. Included there was the picture of an ass laden with rich foods and cropping a thistle, surrounding which is the quatrain: In the