Monoplex krebsii is a species of predatory sea snail, a marine gastropod mollusk in the family Cymatiidae.
The maximum recorded shell length is 92 mm.[1]
Minimum recorded depth is 2 m.[1] Maximum recorded depth is 146 m.[1]
This marine species occurs in the Caribbean Sea, the Gulf of Mexico; off the Lesser Antilles; in the Atlantic Ocean off the Azores.