A marine cartilaginous fish that can produce electric current is :

Options

A. Scoliodon
B. Pristis
C. Torpedo
D. Trygon

Answer

To solve the question "A marine cartilaginous fish that can produce electric current is:", we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Class of Fish**:
- The question specifies a "marine cartilaginous fish." Cartilaginous fish belong to the class **Chondrichthyes**. This class includes sharks, rays, and skates, which have a skeleton made of cartilage instead of bone.

2. **Characteristics of Chondrichthyes**:
- Members of Chondrichthyes have a streamlined body, separate gill slits, and lack an operculum (gill cover). They are primarily marine animals.

3. **Look for Electric Fish**:
- The question asks specifically for a fish that can produce electric current. Among the Chondrichthyes, certain species have specialized organs that allow them to generate electricity.

4. **Identify the Options**:
- The provided options are:
- A) Scoliodon (Dogfish)
- B) Pristis (Sawfish)
- C) Torpedo
- D) Trigon (Stingray)

5. **Analyze Each Option**:
- **Scoliodon**: Known as Dogfish, does not produce electric current.
- **Pristis**: Known as Sawfish, does not produce electric current.
- **Torpedo**: This fish has specialized electric organs that allow it to produce electric currents.
- **Trigon**: Known as Stingray, primarily has a venomous sting, not electric organs.

6. **Conclusion**:
- Based on the analysis, the only fish from the options that can produce electric current is **Torpedo**.

### Final Answer:
The marine cartilaginous fish that can produce electric current is **Torpedo** (Option C).

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