| Main Ref. | Ahlgren, M.O., 1990 | ||
| Predator stage | juv./adults | ||
| Food I | zoobenthos | ||
| Food II | other benth. invertebrates | ||
| Food III | n.a./other benth. invertebrates | ||
| Food group | unidentified | Prey Stage/Part | juv./adults |
| Food name | unidentified invertebrates | ||
| Commonness | dominant ( > 50%) | ||
| Country | USA | ||
| Remark | Locality: Houghton County, MI. Also Ref. 1998. | ||