Vegetarianism and beer a yeasty flavour. Finings are used to clear the beer of yeast – there are a variety of agents used as finings, including silicon dioxide, gelatin, polyclar, and isinglass. Isinglass is the most common fining used to clear cask ale. Isinglass is produced from the swim bladders of fish, usually sturgeon, though also those in the polynemidae, sciaenidae and siluridae families; as it is an animal product, cask ale cleared with isinglass is not considered vegetarian. A brewer may also use some form of animal product in the later stages of beer processing, such as glycerol monostearate, which is used
Piracy off the coast of Venezuela 2017, piracy grew in Lake Maracaibo, with bandits attempting to rob and kill boaters in the area for their possessions. Croakers, valuable fish caught in the waters that contain swim bladders rich in collagen, are often targeted by pirates in the area to be sold in international markets. The Bolivarian Navy of Venezuela, according to locals, rarely patrols the waters. Pirates would also strip equipment from PDVSA oil facilities near Lake Maracaibo's waters. In total, 71 incidents of piracy occurred in Venezuelan waters according to OBP, a 163% increase. Reports of Venezuelan pirates attacking luxury yachts in the Caribbean began