A common Star Fish is

Options

A. Pentaceros
B. Asterias
C. Neometra
D. Ophiothrix.

Answer

To determine the common name for a starfish from the given options, we can follow these steps:

### Step 1: Identify the Options
We have four options to choose from:
1. Pantaceros
2. Astrias
3. Neometra
4. Ophiothryx

### Step 2: Analyze Each Option
- **Pantaceros**: This organism is known as the sea pentagon and is not a starfish. Therefore, it is not the correct answer.

- **Astrias**: This is recognized as a common starfish. The name itself suggests it is related to starfish, and it matches the description we are looking for.

- **Neometra**: This organism is known as a feather star. It has a distinct appearance resembling feathers, which means it is not a starfish.

- **Ophiothryx**: This is known as a brittle star. Like Neometra, it does not fit the description of a starfish.

### Step 3: Conclusion
Based on the analysis, the correct answer is **Astrias**, as it is the common name for a starfish.

### Final Answer
The common starfish is **Astrias**.

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