Mescaline of the genus "Echinopsis" are technically controlled substances under the Controlled Substances Act, they are commonly sold publicly as ornamental plants. In the United Kingdom, mescaline in purified powder form is a Class A drug. However, dried cactus can be bought and sold legally. Mescaline is considered a schedule 9 substance in Australia under the Poisons Standard (October 2015). A schedule 9 substance is classified as "Substances with a high potential for causing harm at low exposure and which require special precautions during manufacture, handling or use. These poisons should be available only to specialised or authorised users who have
Hallucinogenic fish that makes dreams" in Arabic. Other species claimed to be capable of producing hallucinations include several species of sea chub from the genus "Kyphosus". It is unclear whether the toxins are produced by the fish themselves or by marine algae in their diet. Other hallucinogenic fish are "Siganus spinus", called "the fish that inebriates" in Reunion Island, and "Mulloidichthys flavolineatus" (formerly "Mulloidichthys samoensis"), called "the chief of ghosts" in Hawaii. The active agent(s) that cause hallucinations in humans, and the origin of these agents, are not clear. Some authors think they could come from toxins associated with macroalgae that accumulate