Construct a valid question about the article you just read.
Article: 

Scientists have discovered a new species of fish in the Amazon river.
What special adaptations does this new species of fish have that allowed it to survive in the Amazon river?
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Construct a valid question about the article you just read.

### Response:
What special adaptations does this new species of fish have that allowed it to survive in the Amazon river?