Table 3. Ash-free dry weight (AFDW) per item (mg ind−1) and calculated 'relative importance index' (RI ) of different prey taxa for b-, p- and p/b-type Macroramphosus spp. according to abundance and frequency data given in Table 2
| AFDW | RI | ||
|---|---|---|---|---|
| (mg ind−1) | b | p | p/b |
Foraminifera | 0.040 | 28.3 | 12.8 | 25.0 |
Pteropoda | 0.141 | 20.1 | 16.9 | 22.4 |
Polychaeta | 1.026 | 9.9 | 3.6 | 1.5 |
Ostracoda | 0.304 | 2.5 | 25.2 | 10.4 |
Calanoida | 0.049 | 7.8 | 24.4 | 9.9 |
Euphausiacea | 0.909 | 1.3 | 1.3 | 3.7 |
Decapoda | 3.868 | 12.4 | 5.8 | 15.1 |
Decapod larvae | 5.176 | 12.9 | 7.7 | 7.6 |
Amphipoda | 1.362 | 4.7 | 2.3 | 4.4 |