| Occurrence | questionable | ||
| Importance | highly commercial | Ref. | |
| Aquaculture | commercial | Ref. | |
| Regulations | restricted | Ref. | |
| Freshwater | Yes | ||
| Brackish | Yes | ||
| Saltwater | No | ||
| Live export | |||
| Bait | No | ||
| Gamefish | Yes | ||
| Abundance | abundant (always seen in some numbers) | Ref. | Kallio-Nyberg, I. and M.-L. Koljonen, 1990 |
| Comments |
Also Ref. 6114. Occurs through the country: in the Baltic Sea and in numerous rivers and lakes. |
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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/fi.html | ||