Can you eat fermented shark?
Quick Answer
Yes
Fermented shark, also known as Hákarl, is a traditional Icelandic dish. It is safe to eat, although its strong ammonia-rich smell and fishy taste can be off-putting to some.

What Is It?
Fermented shark, or Hákarl, is a traditional Icelandic dish made from a type of shark native to the North Atlantic. The shark is fermented and hung to dry for several months before it is ready to eat.
Historical Context
The practice of fermenting shark dates back to the Viking Age. Due to the shark’s high levels of urea and trimethylamine oxide, which can be toxic, the fermentation process is necessary to make the shark safe to eat.
Why It Can Be Risky
While fermented shark is generally safe to eat, there are a few potential risks to be aware of.
- allergies
- foodborne_illness
Safe Method?
The safest way to eat fermented shark is to purchase it from a reputable source that follows traditional Icelandic methods of preparation. It is typically eaten in small cubes, often accompanied by a shot of Icelandic schnapps.
Safe Alternatives
If you’re not a fan of the strong taste of fermented shark, other traditional Icelandic dishes you might enjoy include smoked lamb (Hangikjöt) or dried fish (Harðfiskur).
Storage Tips
Fermented shark can be stored in the refrigerator for up to a week. For longer storage, it can be frozen.
Preparation Tips
Fermented shark is typically served in small cubes. It can be eaten as is, or served with rye bread and butter.