Learn how to say Stonefish correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word stonefish:
noun (plural same or stonefishes)
a chiefly marine fish of bizarre appearance which lives in the tropical Indo-Pacific. It rests motionless in the sand with its venomous dorsal spines projecting and is a frequent cause of injury to swimmers.
Family Synanceiidae: several genera and species, including Synanceia verrucosa (also called devilfish)