In which of the following fishes, electric organs are present which are modified musculature between eye and nostril ?

Options

A. Torpedo ( electric ray )
B. Scoliodon ( dog fish )
C. Trygon ( sting ray )
D. Pristis (saw fish )

Answer

To solve the question about which fish has electric organs that are modified musculature between the eye and nostril, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Question**: The question asks which fish has electric organs that are modified musculature located between the eye and nostril.

2. **List the Options**: The options provided are:
- Torpedo
- Electric ray
- Scolidon
- Dogfish
- Trigon
- Stingray
- Pristis
- Sawfish

3. **Understand the Characteristics of Electric Organs**: Electric organs in fish are specialized structures that can generate electric fields. These are often found in certain species of rays and other related fish.

4. **Analyze Each Option**:
- **Torpedo**: Known as the electric ray, it is recognized for having electric organs.
- **Electric Ray**: This is essentially another name for Torpedo.
- **Scolidon**: This is a type of shark and does not have electric organs.
- **Dogfish**: Another type of shark, which also does not have electric organs.
- **Trigon**: This refers to another group of rays, but not specifically known for electric organs.
- **Stingray**: While they have some electric capabilities, they do not have the specific musculature modification described.
- **Pristis**: Known as sawfish, they do not have electric organs.
- **Sawfish**: Similar to Pristis, they do not possess electric organs.

5. **Conclusion**: After analyzing the options, the fish that has electric organs modified from musculature between the eye and nostril is **Torpedo** (Electric Ray).

### Final Answer:
The correct answer is **Torpedo** (Electric Ray).