Scent hounds specialize in following a smell or scent. There is no distinctive smell or taste. The trolls eventually smell Kalle's scent and discover the group. Users have reported less smell and odor on clothing. It is edible and has a strong "sweet" smell and taste. Hydrochloric acid has a distinctive pungent smell. It may also result in a musty smell and lighter skin. Many fish also have chemoreceptors that are responsible for extraordinary senses of taste and smell. It is a colourless alkaline gas with a characteristic pungent smell. Many fish also have chemoreceptors responsible for acute senses of taste and smell. Ammonia is a colourless gas with a characteristically pungent smell. Myrcene is responsible for the pungent smell of fresh hops. The smell and flavor are very strong. Chinese dishes stress the three main points of appearance, smell, and taste. Chemical communications in animals rely on a variety of aspects including taste and smell.