Which of the following is a fresh water fish :

Options

A. Pomphert
B. Rohu
C. Sardine
D. Salmon

Answer

To determine which of the following is a freshwater fish among the options provided (pomfret, rohu, sardine, or salmon), we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Types of Fish**:
- Fish can be categorized into two main types based on their habitat: freshwater fish and marine (saltwater) fish.

2. **Identify the Options**:
- The options given are pomfret, rohu, sardine, and salmon.

3. **Research Freshwater Fish**:
- Freshwater fish are those that live in rivers, lakes, and ponds. Common examples include rohu and katla.

4. **Identify Marine Fish**:
- Marine fish are those that live in oceans and seas. Examples include pomfret, sardine, and salmon.

5. **Analyze Each Option**:
- **Pomfret**: A marine fish found in the ocean.
- **Rohu**: A freshwater fish commonly found in rivers and ponds in India.
- **Sardine**: A marine fish found in the ocean.
- **Salmon**: A marine fish that lives in the ocean and migrates to freshwater to spawn.

6. **Conclusion**:
- Among the options, rohu is the only freshwater fish.

### Final Answer:
- The freshwater fish among the options is **rohu**.

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