Table 2 Frequency of occurrence (%F), number (%N), and weight (%W) in prey items contributing to the diet of D. gigas from the industrial purse-seine fishery off southern-central Chile (n = 64 stomachs)
Prey | F% | N% | W% |
|---|---|---|---|
Teleostei | |||
Trachurus murphyi a | 59.4 | 53.3 | 62.4 |
Scomber japonicus | 1.6 | 1.0 | 6.6 |
Electrona sp. | 7.8 | 7.6 | 3.0 |
Lampadena sp. | 4.7 | 3.8 | 2.7 |
Hygophum sp. | 14.1 | 10.5 | 4.1 |
Diaphus sp. | 3.1 | 1.9 | 0.5 |
Myctophidae indet. | 4.7 | 2.9 | 0.9 |
Cephalopoda | |||
Dosidicus gigas | 7.8 | 4.8 | 18.3 |
Gonatus antarcticus | 1.6 | 1.0 | 0.3 |
Ommastrephidae indet. | 3.1 | 1.9 | 0.1 |
Crustacea | |||
Euphausiacea | 10.9 | 6.7 | 0.7 |
Crustacea indet. | 7.8 | 4.8 | 0.4 |
Total | 105 | 2,801.9 | |