| Organism | 1992 | 1970 |
| M. ogunnus |
|
|
| Adult Female | 22 (4.8) | 24 |
| Copepodite I-III | 2.9 (1.2) | 4.3 |
| Copepodite IV-V | 14.9 (5.7) | 9.0 |
| Cladocera |
|
|
| Diaphanosoma spp. | 44.8 (3.9) | 56.0 |
| Bosmina spp. | 17.8 (5.4) | 17.8 |
| Ceriodaphnia spp | 26.3 (1.7) | 30.2 |
| E. drieschi |
|
|
| Adult Female | 86.3 (5.6) |
|
| Adult Male | 61.6 (2.1) |
|
| Copepodite I-III | 25.5 (6.3) |
|
| Copepodite IV-V | 42.2 (6.2) |
|