What is the symbol for a marine pollutant? Question What is the symbol for a marine pollutant? Answers The image of a waves in a yellow triangle with an X through through the waves The image of a fish in a white triangle with an X through through the fish A light blue square with a dark blue X through the square The image of a bird in a red octagon Explanation The marine pollutant marking is the image of a fish in a white triangle with an X through through the fish. This questions appears in the following tests: Nebraska HazMat Nebraska HazMat New Hampshire HazMat North Dakota HazMat Tennessee HazMat