Which oneamong the following is a marine fish ?

Options

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

Answer

To determine which among the given options is a marine fish, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Types of Fish**:
- Fish can be classified into two main categories based on their habitat: freshwater fish and marine fish.
- Freshwater fish live in rivers, lakes, and ponds, while marine fish inhabit oceans and seas, which are salty waters.

2. **Review the Options**:
- The options provided are:
- a) Roho
- b) Hilsa
- c) Ketla
- d) Common Cup

3. **Analyze Each Option**:
- **Roho**: This fish is known to inhabit freshwater environments. Therefore, it is not a marine fish.
- **Hilsa**: This fish is commonly found in the Bay of Bengal and is known to be a marine fish. Thus, it qualifies as a marine fish.
- **Ketla**: This fish is also a freshwater species and does not belong to the marine category.
- **Common Cup**: Similar to Roho and Ketla, this fish is found in freshwater habitats and is not a marine fish.

4. **Identify the Correct Answer**:
- After analyzing all the options, the only fish that is classified as a marine fish is **Hilsa**.

5. **Conclusion**:
- The correct answer to the question "Which one among the following is a marine fish?" is **b) Hilsa**.