| Occurrence | native | ||
| Importance | of no interest | Ref. | Vilcinskas, A., 1993 |
| Aquaculture | Ref. | ||
| Regulations | restricted | Ref. | Spratte, S and U. Hartmann, 1998 |
| Freshwater | Yes | ||
| Brackish | No | ||
| Saltwater | No | ||
| Live export | |||
| Bait | No | ||
| Gamefish | No | ||
| Abundance | occasional (usually not seen) | Ref. | Brämick, U., U. Rothe, H. Schuhr, M. Tautenhahn, U. Thiel, C. Wolter and S. Zahn, 1998 |
| Comments |
Found in the Elbe estuary (Ref. 51031). Vulnerable in 1984 (Ref. 27368) and in 1998 (Ref. 28636). Critically endangered in 1992 according to Ref. 33852. Protected all year in Schleswig-Holstein (Ref. 41851). Also Ref. 556, 89241, 59043. |
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| States/Provinces | |||
| States/Provinces Complete? | No | ||
| National Checklist | |||
| Country information | https://www.cia.gov/library/publications/resources/the-world-factbook/geos/gm.html | ||