Which one of the following is Coelentrate

Options

A. Sea cow
B. Sea cucumber
C. Sea fan
D. Sea horse

Answer

To determine which of the following options is a Coelentrate, we will analyze each option provided.

### Step-by-Step Solution:

1. **Understand the Term "Coelentrate":**
- Coelentrates, also known as Cnidarians, are a group of animals that include organisms like jellyfish, corals, and sea anemones. They are characterized by having a simple body structure with a central digestive cavity.

2. **Analyze Each Option:**
- **Option 1: Cucumber**
- Cucumber refers to sea cucumbers, which are echinoderms belonging to the class Holothuroidea. Therefore, this option is incorrect.

- **Option 2: C. Fan**
- C. Fan refers to sea fans, which are colonial organisms related to corals. They belong to the class Anthozoa, which is a part of the Coelentrate group. This option is correct.

- **Option 3: Seahorse**
- Seahorses are small marine fishes that belong to the phylum Chordata. They are not Coelentrates, making this option incorrect.

3. **Conclusion:**
- Based on the analysis, the correct answer is **Option 2: C. Fan**, as it is a Coelentrate.

### Final Answer:
The Coelentrate among the given options is **C. Fan**.