Factoid/2020/12/07
From Beachapedia
< Beachapedia:Factoid | 2020 | 12
Common fish bait is source of mercury ingestion for fish
- "The researchers also found the terrestrial bugs the fish eat – most notable roly polies, which are a non-native species from Europe – had higher mercury concentrations than their aquatic counterparts. The findings suggest mercury rolls into coastal California through fog, is consumed by roly polies eating leaf detritus and water droplets, and moves up the food chain to the [threatened, native steelhead trout] fish" - Excerpt from American Geophysical Union
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