............... are short, curved comma-shaped flagellated bacteria.

Explanation

**Step-by-Step Solution:**

1. **Identify the Characteristics**: The question specifies that we are looking for bacteria that are short, curved, comma-shaped, and flagellated.

2. **Recall Relevant Bacteria**: Based on the characteristics provided, we need to think of bacteria that fit this description.

3. **Name the Bacteria**: The bacteria that fits the description of being short, curved, comma-shaped, and flagellated is *Vibrio cholerae*.

...