| Occurrence | extirpated | ||
| Importance | Ref. | ||
| Aquaculture | Ref. | ||
| Regulations | Ref. | ||
| Freshwater | Yes | ||
| Brackish | No | ||
| Saltwater | No | ||
| Live export | |||
| Bait | No | ||
| Gamefish | No | ||
| Abundance | scarce (very unlikely) | Ref. | Vilcinskas, A., 1993 |
| Comments |
In the Rhine, Reuss, Limmat, Thur and other rivers. Also in the Neuschatellersee. Considered extirpated in 1992 (Ref. 33852; Ref. 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/sz.html | ||