Belangrijkste voedsel | Percentage |
Trofisch niveau (y) |
Levensfase predator | Land | Lokaliteit | Ref. |
---|---|---|---|---|---|---|
zoobenthos | 59 | 3.3 | juv./adults | USA | stn. 7 off central Oregon between August 1968 and August 1970 | 13507 |
zoobenthos | 69 | 3.2 | juv./adults | USA | stn. 2 off central Oregon between August 1968 and August 1970 | 13507 |
zoobenthos | 73 | 3.2 | juv./adults | USA | stn. 6 off central Oregon between August 1968 and August 1970 | 13507 |
zoobenthos | 35 | 3.3 | juv./adults | - | - | 37756 |