Zoanthid corals tend to be popular for aquarium hobbyists, but at least some also contain palytoxin which can sicken people and animals through contact or by releasing a poisonous mist in the air.

Aquarium coral may be beautiful to look at, but some can be toxic to humans and animals. 
In mid-August, the U.S. Centers for Disease Control and Prevention, or CDC, released a report describing one incident where an Anchorage man was admitted to the emergency room only hours after a new zoanthid coral was brought into his home. 
The palytoxin contained in at least some of these corals was thought to be the culprit, as his symptoms of a fe