Among the following edible fishes, which one is a marine fish having rich source of omega -3 fatty acids ?

Options

A. mystus
B. mangur
C. mrigala
D. mackerel

Answer

To determine which among the listed edible fishes is a marine fish that is a rich source of omega-3 fatty acids, we will analyze each option provided in the question.

### Step-by-Step Solution:

1. **Identify the Options**: The options given are:
- Mistus
- Bengal (Mango)
- Regula
- Mackerel

2. **Analyze Each Fish**:
- **Mistus**: This fish is known to be high in polyunsaturated fatty acids (PUFA) but does not specifically indicate a rich source of omega-3 fatty acids.
- **Bengal (Mango)**: Also known as the walking catfish, this fish does not contain omega-3 fatty acids.
- **Regula**: This is a marine fish found in salty waters and is a rich source of protein but does not specifically mention omega-3 fatty acids.
- **Mackerel**: This fish is a well-known marine fish that is rich in omega-3 fatty acids. It is also a source of protein, minerals, and vitamins.

3. **Conclusion**: Based on the analysis, the fish that is a marine fish and a rich source of omega-3 fatty acids is **Mackerel**.

### Final Answer:
The correct answer is **Mackerel**.

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