Which one of the following is a marine fish ?

Options

A. Rohu
B. Hilsa
C. Catla
D. Common Carp

Answer

To determine which of the given options is a marine fish, we need to analyze each option based on their habitat.

1. **Identify the options**:
- Option 1: Rohu
- Option 2: Hilsa
- Option 3: Katla
- Option 4: Common Carp

2. **Define marine fish**:
Marine fish are those that live in saltwater environments such as oceans and seas. In contrast, freshwater fish live in rivers, lakes, and ponds where the water is not salty.

3. **Analyze each option**:
- **Rohu**: This is a freshwater fish commonly found in rivers and ponds. Therefore, it is not a marine fish.
- **Hilsa**: This fish is known to inhabit marine environments, particularly in coastal waters and estuaries. Thus, Hilsa is a marine fish.
- **Katla**: Similar to Rohu, Katla is also a freshwater fish found in rivers and lakes. Hence, it is not a marine fish.
- **Common Carp**: This fish is another example of a freshwater species, typically found in ponds and lakes. Therefore, it is not a marine fish.

4. **Conclusion**:
After analyzing all the options, the only fish that qualifies as a marine fish is **Hilsa**.

**Final Answer**: Hilsa is a marine fish.

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