A member of scyphozoa is

Options

A. Silver Fish
B. Jelly Fish
C. Cuttle Fish
D. Cat Fish.

Answer

**Step-by-Step Solution:**

1. **Understand the Classification**: The question asks for a member of the class Scyphozoa. Scyphozoa is a class within the phylum Coelenterata (also known as Cnidaria), which includes various marine animals.

2. **Identify the Options**: The options given are:
- A) Silverfish
- B) Jellyfish
- C) Cuttlefish
- D) Catfish

3. **Analyze Each Option**:
- **Silverfish**: This is an insect that belongs to the class Insecta within the phylum Arthropoda. It does not belong to Scyphozoa.
- **Jellyfish**: This is a common name for members of the class Scyphozoa, specifically the genus Aurelia. Therefore, it is a member of Scyphozoa.
- **Cuttlefish**: Despite its name, the cuttlefish is a mollusk and belongs to the class Cephalopoda, not Scyphozoa.
- **Catfish**: This is a true fish belonging to the phylum Chordata and does not belong to Scyphozoa.

4. **Conclusion**: After analyzing all the options, the only member of Scyphozoa from the list is the jellyfish.

5. **Final Answer**: The answer to the question is **B) Jellyfish**.

---