Fresh tuna steaks like Ahi or Yellowfin are generally comparable in mercury levels to which canned variety during pregnancy?
Answer
Albacore
When considering fresh tuna options rather than canned products, it is critical to understand that not all fresh fish automatically qualify as low-mercury choices. Specifically, fresh tuna steaks often available, such as Ahi or Yellowfin, typically contain mercury concentrations that are either comparable to or sometimes even exceed those found in Albacore tuna. Because of this high mercury load, these fresh varieties require the same level of strict limitation during pregnancy as Albacore, or in some cases, they may need to be avoided entirely, similar to exceptionally high-mercury fish like swordfish or king mackerel.

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