Select the pair of Marine water variety for fish

Options

A. Rohu and catla
B. Common carp and mackerel
C. Rohu and pomfret
D. Sardines and pomfret

Answer

To solve the question of selecting the pair of marine water varieties for fish, we will analyze each option provided.

### Step-by-Step Solution:

1. **Understand the Question**: We need to identify which pair of fish listed in the options are both marine water varieties.

2. **Evaluate Option 1: Rohu and Catla**:
- **Rohu**: This is a freshwater fish.
- **Catla**: This is also a freshwater fish.
- **Conclusion**: Both fish are freshwater varieties. This option is incorrect.

3. **Evaluate Option 2: Common Carp and Mackerel**:
- **Common Carp**: This is a freshwater fish.
- **Mackerel**: This is a marine water fish.
- **Conclusion**: Since one fish is freshwater and the other is marine, this option is incorrect.

4. **Evaluate Option 3: Rohu and Promphret**:
- **Rohu**: This is a freshwater fish.
- **Promphret**: This is a marine water fish.
- **Conclusion**: Again, one fish is freshwater and the other is marine. This option is incorrect.

5. **Evaluate Option 4: Sardines and Promphret**:
- **Sardines**: These are marine water fish.
- **Promphret**: As previously mentioned, this is also a marine water fish.
- **Conclusion**: Both fish belong to the marine water variety. This option is correct.

### Final Answer:
The correct pair of marine water varieties for fish is **Sardines and Promphret**.

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