| factors influencing mercury accumulation in three species of forage fish from caddo lake, texas, usa. | most studies that have examined mercury (hg) contamination of fish have focused on game species feeding near the top of the food web, while studies that examine forage fish that feed near the base of the food web are rare. we conducted a survey of hg contamination in three species of forage fish, brook silverside (labidesthes sicculus), threadfin shad (dorosoma petenense) and gizzard shad (dorosoma cepedianum), from caddo lake, texas, usa and found species-specific differences in hg concentratio ... | 2010 | 21179952 |