| Occurrence | introduced | ||
| Importance | Ref. | ||
| Aquaculture | Ref. | ||
| Regulations | Ref. | ||
| Freshwater | Yes | ||
| Brackish | No | ||
| Saltwater | No | ||
| Live export | |||
| Bait | No | ||
| Gamefish | No | ||
| Abundance | occasional (usually not seen) | Ref. | Frier, J.-O., 1994 |
| Comments |
Introduced in the 16th century. Scattered distribution. Regarded as a Danish species (Ref. 9945). Also 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 | ||