1. Spoilage: When fish is not fresh, it begins to decompose, which produces a strong, fishy smell. This is caused by the breakdown of the fish's proteins and fats.
2. Diet: The type of food a fish eats can also affect its odor. Fish that eat a lot of oily fish, such as sardines or anchovies, can have a stronger odor than those that eat a more plant-based diet.
3. Habitat: The environment in which a fish lives can also contribute to its odor. Fish that live in polluted waters or stagnant ponds can develop a muddy or earthy smell.
4. Species: Some species of fish simply have a stronger odor than others. For example, salmon and tuna are known for having a more intense smell than tilapia or cod.
5. Cooking method: The way a fish is cooked can also affect its odor. Fish that is fried or smoked can develop a stronger smell than fish that is baked or grilled.
Here are some tips for reducing the smell of fish:
* Buy fresh fish. Fresh fish should have a mild, briny smell. Avoid fish that smells sour, ammonia-like, or fishy.
* Properly store fish. Fish should be stored in a cool, dry place, such as the refrigerator or freezer.
* Cook fish thoroughly. Cooking fish to the proper internal temperature will help to kill any bacteria that may be present and will also reduce the smell.
* Use lemon or lime juice. Lemon or lime juice can help to neutralize the smell of fish.
* Add herbs or spices. Herbs and spices, such as parsley, garlic, and thyme, can help to add flavor to fish and reduce the smell.