| Occurrence | native | ||
| Importance | of no interest | Ref. | |
| Aquaculture | Ref. | ||
| Regulations | Ref. | ||
| Freshwater | Yes | ||
| Brackish | No | ||
| Saltwater | No | ||
| Live export | |||
| Bait | No | ||
| Gamefish | No | ||
| Abundance | fairly common (chances are about 50%) | Ref. | Winkler, H.M., K. Skora, R. Repecka, M. Ploks, A. Neelov, L. Urho, A. Gushin and H. Jespersen, 2000 |
| Comments |
Rare. Occurs in approx. 50 smaller lakes and pools in Zealand and Lolland-Falster. One occurrence on Fyn and a few in Jutland (Ref. 9945). Also Ref. 556. |
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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 | ||