14 Fish You Should Consider Never Eating

5. Eel

This is one fish you may want to avoid on the sushi menu. Eels are slow to mature and have been overfished in many parts of the world, causing some populations to collapse. This is problematic because eels play an important role in spreading mussel populations, which act as natural water filters [7]. Additionally, eels absorb and store harmful chemicals and pollutants very easily. This is such a problem that in some areas residents are advised to eat eel no more than once per year [8].

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