What is common to Lantana, Eichornia and African catfish ?

Options

A. (a) All are endangered species of India
B. (b) All are key stone species
C. (c) All are mammals found in India
D. (d) All the species are neither threatened nor indigenous species of India

Explanation

To solve the question "What is common to Lantana, Eichhornia, and African catfish?", we will analyze each option provided and determine which one accurately describes the commonality among these three species.

### Step-by-Step Solution:

1. **Identify the Species**:
- Lantana: A flowering plant known for its invasive nature.
- Eichhornia: Commonly known as water hyacinth, another invasive aquatic plant.
- African Catfish: A fish species that is often used in aquaculture and is also considered invasive in some regions.

2. **Evaluate Each Option**:
- **Option A**: "All are endangered species of India."
- This is incorrect. Lantana and Eichhornia are not endangered; they are invasive species. The African catfish is also not classified as endangered.

- **Option B**: "All are keystone species."
- This is also incorrect. Keystone species have a positive impact on their ecosystem, while these three species tend to disrupt local ecosystems, thus they are not considered keystone species.

- **Option C**: "All are mammals found in India."
- This is incorrect. Lantana and Eichhornia are plants, and the African catfish is a fish. None of them are mammals.

- **Option D**: "All the species are neither threatened nor indigenous species of India."
- This is correct. All three species are non-native (exotic) to India and are not considered threatened. In fact, they are known to threaten local biodiversity.

3. **Conclusion**:
- The most appropriate answer is **Option D**: "All the species are neither threatened nor indigenous species of India."