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. Take a FREE Practice Test Now This questions appears in the following tests: Arkansas HazMat , Idaho HazMat , Iowa HazMat , Nebraska HazMat , Oklahoma HazMat ,