It could be a cane toad (Bufo marinus). Cane toads, along with Colorado River toads (Bufo alvarius) secrete large amounts of DMT, it's also found in some species of "magic 'shrooms" . For those who don't know about DMT, it is short for 5-hydroxy-dimethyltryptamine or bufotenin. It is a psychoactive drug and listed as a controlled substance in the U.S. and Australia.

To care for cane toads, follow these guides:
http://www.frogforum.net/toad-care-a...-breeding.html

http://www.frogforum.net/toad-care-a...pelobates.html