| Country | Russian Federation | Ecosystem | |
| Locality | Medny (Cooper) Island, near (st. 2, 101 m, stones) | Depth | |
| Introduced | Year Intro. | ||
| Life Stage | not specified | unsexed | |
| Quantitative | 1 | Unit | number |
| Semi Quantitative | Unit | ||
| Qualitative | rare | ||
| Year | 1991 - | Period | 1975-2000 |
| Date | 1991-08-01 00:00:00 - 1991-08-01 00:00:00 | Record Type | |
| Record Type | |||
| Seasonal | Method | ||
| Remarks | |||