Table 2.
Mean frequency and standard deviation of mantle contractions, crop peristaltic contractions, intervals between episodes of crop activity, and terminal intestine contractions during the post-ingestion, i.e., after paralarvae released prey.
| Type of prey | No. paralarvae | No. Mantle Contractions /10 s | No. Crop contractions/10 s | Interval between episodes of crop peristaltic movements/10 s | No. terminal intestine contractions/10 s |
|---|---|---|---|---|---|
| Copepods (A. clausii, T. longicornis, Centropages sp.) | 3 | 5.667 ± 0.577 | 3.333 ± 0.254 | 6.667 ± 0.334 | 8.200 ± 0.545 |
| Cladocera (Podon intermedius) | 4 | 6.334 ± 0.577 | 2.330 ± 0.667 | 6.167 ± 0.687 | 8.333 ± 1.334 |
| Zoeae M. brachydactyla, C. pagurus | 6 | 6.334 ± 1.154 | 3.600 ± 0.667 | 6.334 ± 0.236 | 9.600 ± 0.547 |
| Zoeae C. maenas, P. longicornis | 6 | 6.000 ± 1.000 | 3.200 ± 0.767 | 6.867 ± 0.381 | 9.200 ± 0.667 |
| Paguridae | 3 | 6.333 ± 1.155 | 2.800 ± 0.476 | 7.000 ± 1.000 | 8.600 ± 0.845 |
| Processidae, Hippolytidae, Palaemonidae | 8 | 6.667 ± 0.577 | 3.333 ± 0.564 | 6.670 ± 0.334 | 9.333 ± 0.577 |
| Euphausiidae | 4 | 5 ± 1.732 | 2.800 ± 0.776 | 5.600 ± 0.658 | 8.800 ± 0.955 |
Data are grouped according to the criterion of prey group (see text for definitions and details).