Table 3 Frequency of occurrence (%F), number (%N), and weight (%W) in prey items contributing to the diet of D. gigas from the industrial mid-trawl fishery off southern-central Chile (n = 99 stomachs)
Prey | F% | N% | W% |
|---|---|---|---|
Teleostei | |||
Merluccius gayi | 7.1 | 4.2 | 8.6 |
Macruronus magellanicus a | 41.4 | 20.2 | 39.0 |
Caelorhinchus caelorhinchus | 5.1 | 1.9 | 2.3 |
Epigonus crassicaudus | 5.1 | 2.3 | 7.2 |
Hygophum sp. | 16.2 | 15.2 | 7.5 |
Diaphus sp. | 14.1 | 22.4 | 4.1 |
Electrona sp. | 6.1 | 2.3 | 2.7 |
Lampadena sp. | 5.1 | 2.7 | 0.7 |
Myctophidae indet. | 9.1 | 4.9 | 7.5 |
Engraulis ringens | 1.0 | 0.4 | 0.1 |
Cephalopoda | |||
Dosidicus gigas | 34.3 | 12.9 | 17.9 |
Gonatus antarcticus | 4.0 | 3.0 | 0.9 |
Todarodes filippovae | 3.0 | 1.1 | 0.2 |
Moroteuthis sp. | 1.0 | 1.5 | 0.002 |
Ommastrephidae indet. | 1.0 | 0.4 | 0.1 |
Cranchiidae indet. | 2.0 | 0.8 | 0.1 |
Paralarvae Octopodidae | 1.0 | 0.4 | 0.002 |
Crustacea | |||
Acanthephyra sp. | 2.0 | 0.8 | 0.01 |
Galatheidae indet. | 2.0 | 0.8 | 0.6 |
Euphausiacea | 5.1 | 1.9 | 0.6 |
Total | 263 | 5,536.1 | |