Answer: Discrete data.
Explanation:
1. There are two kinds of data: Qualitative (Categorical) and Quantitative (Numerical).
2. The resulting data of Quantity data are numbers and it is classified as Discrete or Continous.
3. Discrete data is very precise because it can be counted.
4. In the problem you can count the number of fishes, which are 5 (a whole number), therefore, it is a Discrete data.