| Main Ref. | Smith, D.G., 1997 | ||
| Predator stage | juv./adults | ||
| Food I | zoobenthos | ||
| Food II | other benth. invertebrates | ||
| Food III | n.a./other benth. invertebrates | ||
| Food group | unknown benthic invertebr | Prey Stage/Part | juv./adults |
| Food name | unspecified organic material in sediment | ||
| Commonness | |||
| Country | Canada | ||
| Remark | The unspecified organic material is assumed to belong to soft-bodied benthic invertebrates, not to debris consisting mainly of plant matter. | ||