| Thức ăn chủ yếu | Phần trăm (%) |
Mức dinh dưỡng (y) |
Giai đoạn sống của động vật ăn mồi | Nước | Địa phương | Tài liệu tham khảo |
|---|---|---|---|---|---|---|
| nekton | 30 | 3.9 | adults | UK | Off the west coast of the Isle of Man, 1977-1978, 1977-1978 | 9604 |
| nekton | 51 | 3.8 | adults | UK | Off the west coast of the Isle of Man, 1977-1978 | 9604 |
| zoobenthos | 34 | 3.6 | adults | UK | Off the west coast of the Isle of Man, 1977-1978 | 9604 |
| zoobenthos | 27 | 3.5 | juv./adults | UK | Off the west coast of the Isle of Man, 1977-1978 | 9604 |
| zoobenthos | 32 | 3.6 | juv./adults | UK | Off the west coast of the Isle of Man, 1977-1978 | 9604 |
| zoobenthos | 36 | 3.6 | juv./adults | UK | Off the west coast of the Isle of Man, 1977-1978 | 9604 |
| zoobenthos | 41 | 3.6 | juv./adults | UK | Off the west coast of the Isle of Man, 1977-1978 | 9604 |
| zoobenthos | 56 | 3.5 | juv./adults | UK | Off the west coast of the Isle of Man, 1977-1978 | 9064 |
| zoobenthos | 67 | 3.6 | juv./adults | UK | Off the west coast of the Isle of Man, 1977-1978 | 9064 |
| zoobenthos | 31 | 3.4 | juv./adults | UK | Off the west coast of the Isle of Man, 1977-1978 | 9604 |
| zoobenthos | 39 | 3.4 | juv./adults | UK | Off the west coast of the Isle of Man, 1977-1978 | 9604 |
| zoobenthos | 35 | 3.5 | recruits/juv. | UK | Off the west coast of the Isle of Man, 1977-1978 | 9604 |
| zoobenthos | 42 | 3.4 | recruits/juv. | UK | Off the west coast of the Isle of Man, 1977-1978 | 9604 |
| zooplankton | 63 | 3.4 | recruits/juv. | UK | Off the west coast of the Isle of Man, 1977-1978 | 9604 |
| zooplankton | 100 | 3.2 | recruits/juv. | UK | Off the west coast of the Isle of Man, 1977-1978 | 9604 |
| zoobenthos | 82 | 3.8 | recruits/juv. | Italy | North Tyrrhenian Sea, 1985-87 | 41894 |
| zoobenthos | 64 | 3.9 | juv./adults | Greece | Evvoikos Gulf, 1986-87 | 41978 |
| nekton | 48 | 4.0 | juv./adults | Greece | Pagassitikos Gulf, 1986-87 | 41979 |
| zooplankton | 76 | 3.4 | recruits/juv. | Italy | Central Adriatic Sea, 1985-86 | 42028 |
| zoobenthos | 33 | 3.8 | juv./adults | Greece | Evvoikos Gulf, December 1986 and September 1987 | 41978 |