| Occurrence | extirpated | ||
| Importance | of no interest | Ref. | |
| Aquaculture | Ref. | ||
| Regulations | Ref. | ||
| Freshwater | Yes | ||
| Brackish | Yes | ||
| Saltwater | No | ||
| Live export | |||
| Bait | No | ||
| Gamefish | No | ||
| Abundance | scarce (very unlikely) | Ref. | Frier, J.-O., 1994 |
| Comments |
Extirpated during the 18th century. Introduced into Halle Sø (Gudenåen) during 1970-1980 (Ref. 9945). Occasionally in brackish water in the Baltic Sea (Ref. 9946). |
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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/da.html | ||