What is the symbol for a marine pollutant? Question What is the symbol for a marine pollutant? Answers The image of a bird in a red octagon 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 Explanation The marine pollutant symbol is the image of a fish in a white triangle with an X through through the fish. This questions appears in the following tests: Arizona HazMat Kentucky HazMat Oklahoma HazMat Oklahoma HazMat Rhode Island HazMat Rhode Island HazMat Vermont HazMat Vermont HazMat