| Main Ref. | Stepien, C.A., 1990 | ||
| Predator stage | juv./adults | ||
| Food I | plants | ||
| Food II | other plants | ||
| Food III | benthic algae/weeds | ||
| Food group | Rhodophyta | Prey Stage/Part | n.a./others |
| Food name | unidentified | ||
| Commonness | dominant ( > 50%) | ||
| Country | Chile | ||
| Remark | Not stated. Comprises 70% or more of gut contents. | ||