| Main Ref. | Allen, G.R., 1991 | ||
| Predator stage | juv./adults | ||
| Food I | plants | ||
| Food II | other plants | ||
| Food III | benthic algae/weeds | ||
| Food group | benthic algae | Prey Stage/Part | n.a./others |
| Food name | unspecified benthic algae | ||
| Commonness | 65 | dominant ( > 50%) | |
| Country | Canada | ||
| Remark | Also in Ref. 9137 (West Pacific Region). Commonness assumed from expanded Table 2 (p. 191) of Froese and Pauly (2000). | ||