Which one belongs to mollusca

Options

A. Devil Fish
B. Dog Fish
C. Silver Fish
D. Jelly Fish.

Answer

To determine which of the given options belongs to the phylum Mollusca, we can analyze each option step by step:

1. **Identify the options**: The options provided are:
- Devil fish
- Dogfish
- Silverfish
- Jellyfish

2. **Analyze each option**:
- **Devil fish**: This is a common name for the octopus. The octopus is indeed a member of the phylum Mollusca.
- **Dogfish**: This is a type of shark and belongs to the phylum Chordata, not Mollusca.
- **Silverfish**: This is an insect and belongs to the phylum Arthropoda, not Mollusca.
- **Jellyfish**: This organism belongs to the phylum Cnidaria, not Mollusca.

3. **Conclusion**: Among the options provided, the only organism that belongs to the phylum Mollusca is the **Devil fish** (octopus).

Thus, the correct answer is **Devil fish**.