Which category of fish requires moderation due to tendencies to accumulate higher levels of mercury?
Answer
Swordfish, Shark, and King Mackerel
Mercury accumulation through biomagnification is a significant concern, particularly with larger, predatory fish species that occupy higher positions in the marine food chain. Swordfish, Shark, and King Mackerel are explicitly mentioned as fish types that tend to accumulate higher concentrations of mercury due to their size and longevity, necessitating mindful consumption. Even fish like Albacore tuna, while containing excellent omega-3s, falls into a middle ground requiring caution, especially for vulnerable groups like pregnant women, due to elevated mercury levels compared to lighter canned tuna.
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