Adjusted species bounding box from
71°N/34°N/25°W/42°E to 70°N/34°N/11°W/42°E.
Recalculated environmental envelopes. Increased
sea surface temperature minimum from 5.2°C to
7.9°C. Map shows predicted native range. Not in
Iceland. Extinct and possibly extinct in much of
its native range.
Current range is restricted only to Garonne River,
France
(https://www.iucnredlist.org/species/230/242530547
). Possible occurrences in the Gulf of Bothnia,
Gulf of Riga, and White Sea not captured. (Kathleen K. Reyes, 2025-09-24) |