Sea Lemon is

Options

A. Echinoarachinus
B. Doris
C. Limax
D. Nautilus

Answer

To answer the question "Sea Lemon is," we can follow these steps:

### Step 1: Understand the term "Sea Lemon"
- The term "Sea Lemon" refers to a specific type of marine mollusk.

### Step 2: Identify the options given
- The options provided are:
1. Auchenoarechinus
2. Doris
3. Lymax
4. Nautilus

### Step 3: Analyze each option
- **Auchenoarechinus**: This is commonly known as a sand dollar, which is not related to sea slugs.
- **Doris**: This is a genus of sea slugs, which is indeed known as sea lemon.
- **Lymax**: This is a land slug, commonly known as the grey slug or leopard slug, which is not the same as sea lemon.
- **Nautilus**: This is known as the chambered Nautilus, which is a cephalopod and not a sea slug.

### Step 4: Determine the correct answer
- Based on the analysis, the correct answer is **Doris**, as it is the genus that includes the marine mollusk commonly known as sea lemon.

### Final Answer:
The correct option is **Doris**.

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