| 主要的食物 | 百分比 |
营养阶层 (y) |
掠食生活阶段 | 国家 | 地点 | 参考文献 |
|---|---|---|---|---|---|---|
| zoobenthos | 38 | 4.1 | juv./adults | Chile | coastal zone of northern Chile, May 1998- May 1999. | 53696 |
| zoobenthos | 65 | 3.4 | juv./adults | Chile | Caleta Errázuriz and Isla Santa Maria in the north of Chile. 1989 to 1990. | 57686 |
| zoobenthos | 34 | 3.5 | juv./adults | Chile | Punta de Tralca and Quintay in central Chile. 1989 to 1990. | 57686 |