Though fish do not contain the zombie virus that is harmful to humans, some waterlife do contain elements that can be harmful.
During the zombie crisis, humanity had what is perhaps an understandable reaction to an apocalypse – a reaction that would, of course, not be forgivable during more progressive times.
Humans lost all control of industrial processes and regulations. In order to preserve bipedal life, all enforcement was shifted to humanitarian needs. All manufacturing centers that were capable of sustaining human life were given free reign to pollute the water so long as they could keep the survivors well stocked with propane, rope, oil and canned goods. These factories, inexcusable under any other circumstances, pumped heavy metal byproducts into the stream, rivers, lakes and oceans that we now get our fish from.
Some fish contain dangerous levels of one of these byproducts: mercury, which is toxic and can be absorbed through the skin or stomach lining. Sharks, Swordfish, King Mackerels and Tilefish contain the highest amount of toxic mercury in their bodies, and even if you kill them for sport or security, you should not ingest their flesh more than once per year. Most other fish are safe to eat in moderate quantities.
It is safe to eat about three meals, or two thirds of a pound of other fish per week. While fish add many vital nutrients to your otherwise canned or gathered diet, do try to balance fish consumption with small game, such as rats and pigeons, grains and oats, and fruits and vegetables – either canned, jammed, sauced or gardened.
For more information, please see the Fish Advisories section of the Ranger’s Nature and Nutritional Fund:
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