Table 2. Numbers (n) and frequency of occurrence (f) of different food items in individuals of the p-type, b-type, and p/b-type of Macroramphosus spp. Feeding types defined after Clarke (1984)
No. of examined fish | b-type | p-type | p/b-type | |||
|---|---|---|---|---|---|---|
26 | 46 | 8 | ||||
n | f | n | f | n | f | |
Foraminifera | 18,103 | 26 | 243 | 28 | 1,222 | 7 |
Pteropoda | 8,239 | 22 | 241 | 38 | 1,164 | 6 |
Gastropoda | 5,561 | 20 | 13 | 6 | 76 | 7 |
Ostracoda | 4 | 3 | 971 | 45 | 75 | 4 |
Calanoida | 18 | 11 | 854 | 46 | 59 | 4 |
Polychaeta | 148 | 12 | 4 | 3 | – | – |
Decapod larvae | 51 | 8 | 1 | 1 | – | – |
Decapoda | 34 | 10 | 2 | 1 | 13 | 4 |
Amphipoda | 21 | 4 | 4 | 1 | 10 | 1 |
Mysidacea | 9 | 4 | 8 | 6 | 11 | 3 |
Cirripedia | 5 | 2 | – | – | – | – |
Harpacticoidea | 2 | 2 | – | – | 1 | 1 |
Isopoda | 2 | 2 | – | – | 1 | 1 |
Bivalvia | 2 | 2 | – | – | – | 1 |
Euphausiacea | – | – | – | – | 2 | – |
Tanaidacea | 2 | 2 | – | – | – | – |
Crustacea unidentified | 46 | 15 | 103 | 33 | 23 | 7 |
Cephalopoda | – | – | – | – | 1 | 1 |
Echinodermata | 2 | 2 | – | – | – | – |
Fishes, unidentified pieces | – | – | 1 | 1 | – | – |
Bryozoa | – | 13 |
| – |
| 1 |
Unidentified items | 25 | 9 | 48 | 21 | 5 | 3 |
Remains |
|
|
|
|
|
|
Echinoderm remains | 219 | 11 | 2 | 2 | 26 | 2 |
Sponge remains | 25 | 8 | – | – | 1 | 1 |
Calcareous deposits | – | 19 |
| 2 |
| 2 |
Sand grains | – | 17 |
| 1 |
| 3 |
Tube fragments | – | 13 |
| 2 |
| 3 |
Polychaete remains | – | – |
| – |
| 1 |
Total | 32,517 |
| 2,496 |
| 2,691 |
|