https://www.health.nsw.gov.au/Infectious/factsheets/Pages/seafood_poisoning.aspx
Ciguatera poisoning is a form of food poisoning. It is caused by eating warm water ocean finfish that carry ciguatera poison (a toxin). This poison is produced by a very tiny organism called a dinoflagellate, which attaches itself to algae growing in warm ocean water reef areas. Small plant-eating fish eat these toxic algae and in turn are eaten by larger predatory fish which are eaten by humans. Fish that feed in warm ocean waters are potential carriers of ciguatera toxin.
Scombroid fish poisoning results from eating fish with high levels of histamine. Histamine is produced by bacteria in fish. When fish are not quickly chilled after capture, or have not been stored at correct temperature prior to consumption, the bacteria can multiply and produce high amounts of histamine. It can occur in many species of fish, including skipjack, mackerel, tuna, sardines, anchovy, marlin, and bonito.
Shellfish can carry a variety of naturally occurring seafood toxins that cause poisoning in humans including: paralytic shellfish poisoning, amnesic shellfish poisoning, neurotoxic shellfish poisoning and diarrhoetic shellfish poisoning.
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Again, keep in mind everything religious was kept and maintained for all those centuries for survival reasons, they didn't have time nor resources to write novels for the sake of it
I dont know, human life began near the coast. The fact that jews disavow most seafood that was essential to early humans troubles me.
Hmm
If you're in a cold region, it's safer because cold keeps the fish meat "stable". Fish merchants need ice
In a hot regions like mediterranean sea/middle east... Fishes... Hmmmmm becareful
Back then, you're sick you're screwed quite fast
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