Which one of the following is an exotic catp species ?

Options

A. Labeo rohita
B. Cyprinus carpio
C. Labeo bata
D. Cirrihinus mrigala

Answer

To determine which of the given options is an exotic carp species, we can follow these steps:

### Step-by-Step Solution:

1. **Understand Exotic Species**: Exotic species are organisms that are not native to a specific location but have been introduced from another region or country.

2. **Identify Carp Species**: Carp are a group of fish known for their deep body form and heavy appearance. They are significant in aquaculture and include various species.

3. **Evaluate Each Option**:
- **Option A: Labio rohita (Rohu)**: This species is native to India and is one of the major carp species in Indian aquaculture. Therefore, it is not an exotic species.
- **Option B: Cyprinus carpio (European Carp)**: This species is originally from Europe and Asia. Since it is found in these regions and has been introduced to other areas, it qualifies as an exotic species.
- **Option C: Labio bata (Butter Carp)**: This species is also native to India and Bangladesh, making it not exotic.
- **Option D: Syrhinus myriophyllus**: This species is found in Northern India, Pakistan, and Bangladesh, indicating it is also not exotic.

4. **Conclusion**: After evaluating all options, the only species that qualifies as an exotic carp species is **Cyprinus carpio (European Carp)**.

### Final Answer:
The exotic carp species is **Cyprinus carpio (European Carp)**.