
Mushrooms are a versatile ingredient, with some varieties being used as meat and fish substitutes. Lobster mushrooms, for example, are said to have a seafood-like aroma and flavour due to their iodine content. Lion's mane mushrooms are also said to be good alternatives to fish sandwiches, lobster rolls, and crab dips. While some mushrooms naturally smell and taste like fish, it is also possible that mushrooms have taken on a fishy smell because they are no longer fresh.
| Characteristics | Values |
|---|---|
| Mushrooms that taste like fish | Lion's mane, Lobster, Oyster |
| Mushrooms that can replace fish | Lion's mane, Lobster, Chicken of the woods |
| Reasons for smelling like fish | No longer fresh, Bacteria multiplying, Stored next to fish |
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What You'll Learn

Lion's mane mushrooms can be used as an alternative to fish
Mushrooms are a versatile ingredient, with some varieties mimicking the taste and texture of meat and seafood. Lobster mushrooms, for instance, are known for their seafood-like aroma and flavour, resembling shellfish and crustaceans. Oyster mushrooms are also popular meat substitutes.
Lions mane mushrooms, with their shaggy, hairy appearance, are another variety that can be used as an alternative to fish. These mushrooms are said to have a ton of health benefits, including stress relief and immune-boosting properties. When cooked, they can be used in sandwiches, lobster rolls, crab dips, and more. One way to prepare them is to chop them up and cook them in a saucepan for 8 to 10 minutes. Add some mayo, hot sauce, and lemon juice to replicate a lobster salad, and serve it in a potato roll.
Lions mane mushrooms can also be prepared to look like fish fillets. A forager describes preparing a lion's mane mushroom, Hericium erinaceus, that resembled a fish fillet in texture and appearance. It had a meaty, chewy texture and was alarmingly similar to a real fish fillet.
Mushrooms are a sustainable and healthy alternative to seafood. They can provide the taste, texture, and appearance of seafood without contributing to the destruction of the ocean and its ecosystems. By foraging for mushrooms or buying them from local sellers, one can support the health of the planet and the oceans.
While some mushrooms are known for their seafood-like qualities, it is important to note that a fishy smell in mushrooms is often associated with spoilage. This is due to the high moisture content in mushrooms, which attracts bacteria and can result in a fishy odour. However, certain varieties, like the lactifluus volemus or "fishy milkcap," naturally have a fishy odour even when fresh.
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Lobster mushrooms have a seafood-like aroma
Mushrooms are known to be versatile and can mimic the texture, appearance, taste, and smell of meat and seafood. Lobster mushrooms, scientifically known as Hypomyces lactifluorum, are a variety of mushrooms that resemble lobster claws in appearance and flavour. These mushrooms have little to no stem and are bright orange-red with white marks and veins running through them.
The white variety of lobster mushrooms, also known as ghost mushrooms, is considered a rare delicacy. They have a slightly different aroma when freshly picked and a more tender texture due to the absence of the crisp red skin that develops from the hypomyces fungus. While lobster mushrooms are known for their seafood-like scent and flavour, it's important to note that some people may find the fishy odour off-putting, especially if it indicates spoilage. Mushrooms can develop a fishy smell when they are no longer fresh due to bacterial growth, which is more likely in moisture-rich foods. However, certain mushroom varieties, such as the lactifluus volemus or "fishy milkcap," naturally have a fishy odour even when fresh.
Lion's mane mushrooms, or Hericium erinaceus, are another variety that can be used as an alternative to seafood. These mushrooms have a meaty and chewy texture and are known to be easy to cook with, making them a versatile option for those looking for plant-based alternatives to seafood. They can be prepared in various dishes, including sandwiches, lobster rolls, and crab dips, offering a unique and tasty option for those seeking sustainable seafood substitutes.
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Oyster mushrooms are easy to find while foraging
Oyster mushrooms are a great option for those looking to replace fish in their diet. They are commonly cultivated and available in grocery stores, but they can also be found while foraging. Foraging for oyster mushrooms is relatively easy as they are not hard to identify and are exciting to find. They are one of the first mushrooms that people learn to identify and forage.
Oyster mushrooms are easy to identify because they always grow on wood, typically on dead logs or living trees, especially hardwoods like beech and aspen. They can also occasionally be found on conifers. They grow in shelf-like clusters, with individual mushrooms overlapping. They have white or light-coloured gills that run down their stems and their caps are oyster or fan-shaped, growing as wide as 10 inches across. The tops of the mushrooms are smooth and can be white, tan, or light brown. They should be free from warts or scales.
Oyster mushrooms are delicious and can be used in a variety of dishes. They are often stir-fried due to their thin caps that cook through quickly. However, if you are using them in a dish that requires a long cooking time, they should be added towards the end to avoid overcooking. You can also sauté them and then freeze them, although some people may not prefer the texture of frozen mushrooms. Oyster mushrooms can also be dehydrated and stored in airtight containers.
Oyster mushrooms are a good source of protein and vitamins for foragers as they are carnivorous and feed on nematodes. They are safe to eat, with no poisonous look-alikes if you follow the identification guidelines provided. However, it is important to properly sanitise and clean the mushrooms before consuming them. Additionally, it is recommended to take a class with an expert before heading out to forage on your own.
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Mushrooms can replace every type of seafood imaginable, from salmon to squid
Oyster mushrooms, which are easy to find while foraging and relatively simple to grow, are another popular choice. They offer a wide range of tastes and textures and can help lower cholesterol. While some mushrooms have a fishy smell due to spoilage or storage next to seafood products, certain varieties like the lactifluus volemus, or "fishy milkcap," are known for their fishy odour even when fresh.
Mushrooms can provide a sustainable and ethical alternative to seafood, supporting the health of the oceans and the planet. They offer a diverse array of tastes and textures that mimic the consistency and flavour of seafood, making them an excellent choice for those seeking plant-based options. Whether it's lion's mane, oyster, or lobster mushrooms, these fungi can step in for any seafood dish you can imagine.
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Mushrooms smell like fish when they are no longer fresh
Mushrooms are a versatile ingredient, with some varieties mimicking the taste and texture of meat and seafood. However, when mushrooms smell like fish, it usually indicates that they are no longer fresh. While it is typical for spoiled food to develop a fishy odour due to bacterial growth, this phenomenon is particularly associated with mushrooms because of their high moisture content, which makes them susceptible to bacterial contamination.
It is crucial to recognise when mushrooms have gone bad, as indicated by the strong fishy smell, and discard them promptly. However, it is worth noting that certain varieties of mushrooms, such as the lactifluus volemus, commonly known as the "fishy milkcap," naturally exhibit this distinctive odour even when fresh. In such cases, cooking can significantly reduce the fishy aroma, making them more palatable for those who find the smell off-putting.
While mushrooms can be a sustainable and tasty alternative to seafood, it is important to be cautious when consuming them to avoid any negative health consequences associated with spoiled food. Therefore, if you detect a strong fishy smell, it is advisable to err on the side of caution and discard the mushrooms, even if they exhibit no other signs of spoilage.
Additionally, it is worth mentioning that some mushrooms, like lion's mane, have a shaggy or hairy appearance, resembling seafood dishes like lobster rolls or crab dip. These mushrooms are easy to cook and can be prepared in various ways, making them a versatile option for those seeking vegetarian or vegan alternatives to seafood.
In conclusion, while mushrooms can be a delicious and sustainable alternative to seafood, it is important to be mindful of their freshness. A strong fishy smell is typically indicative of spoilage, and it is best to discard such mushrooms to maintain food safety and hygiene standards. However, certain mushroom varieties naturally exhibit a fishy odour, and cooking can help mitigate this smell.
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Frequently asked questions
Lion's mane mushrooms are said to taste like fish, with a score of 8.5 out of 10. Lobster mushrooms also have a seafood-like aroma and flavour.
Mushrooms contain a lot of moisture, which attracts bacteria. When there is too much bacteria, mushrooms can take on a fishy aroma.
Yes, oyster mushrooms are said to be commonly used as meat substitutes.

























