| Country | Alaska | Ecosystem | |
| Locality | Kuskokwim Delta - Norton Sound | Depth | |
| Introduced | Year Intro. | 1979 | |
| Life Stage | juvenile/recruits | unsexed | |
| Quantitative | 0.35 | Unit | tons/km2 |
| Semi Quantitative | Unit | ||
| Qualitative | |||
| Year | 1979 - 1979 | Period | 1975-2000 |
| Date | 01/07/79 - 31/08/79 | Record Type | survey |
| Record Type | survey | ||
| Seasonal | not specified | Method | swept area |
| Remarks | |||