A marine biologist recorded the maximum number of cleaner wrasse observed feeding on different marine animals in a coral reef ecosystem. The data is shown in the table below.
| Marine Animal | Maximum number of cleaner wrasse |
|---|---|
| Manta ray | 15 |
| Green sea turtle | 9 |
| Reef shark | 4 |
| Moray eel | 2 |
Describe the difference in the maximum number of cleaner wrasse on the green sea turtle and on the reef shark.
