. Author manuscript; available in PMC: 2022 Apr 1.

Published in final edited form as: Environ Sci Pollut Res Int. 2021 Jan 28;28(15):18407–18420. doi: 10.1007/s11356-021-12361-7

Table 1.

Comparison of high mercury levels and Se:Hg ratios less than 1.0 among 54 salt water species and 16 fresh water species (from Burger and Gochfeld 2013).

	Species with individuals having Total.Hg > 0.75 ppm	Species with mean Se:Hg ratio less than 1:1	Species with mean Se:Hg ratio less than 5:1	Species with mean Se:Hg ratio greater than 5:1
58 salt water species	13 species 22%	1 species 2%	23 species 40%	35 species 60%
16 fresh water species	7 species 44%	1 species 6%	11 species 69%	5 species 31$