Big Amu Darya Shovelnose Sturgeon (Pseudoscaphirhynchus kaufmanni)
Large wide snout (common) form
https://life-on-earth.ru/amu-darya-and-syr-darya-shovelnose-sturgeons/amu-darya-shovelnose-sturgeons-pseudoscaphirhynchus-nukus-balyk-hatchery-brood-stock-data-base/2-uncategorised/111-pseudoscaphirhynchus-kaufmanni-nukus-balyk-hatchery-brood-stock-inaturalist-277909149-chip-401865#sigProId303520d7fa
The first 6 photos were taken on 12.04.2025
The next 1 photo was taken on 05.04.2025
The next 6 photos were taken on 04.04.2026
The next 2 photos were taken on 10.04.2025
iNaturalist link:
https://www.inaturalist.org/observations/277909149
Microchip implant 900263000-401865
Implanted 10.04.2025
Origin:The Amu Darya river, town of Khanka area (Khorezm province, Uzbekistan); 04.04.2025; weight 650 g
The weight data may not be correct before 04.04.2026 due to scales lapse that were not properly checked.
Ultra sound screening with AcuVista VT880a portable water proof ultra sound scanner:
Date: 10.04.2025
Result: female; no eggs
Date: 04.04.2026
Result: female, the second stage of maturity
Weight on 04.04.2026 - 507 g
Video of ultra sound screening on 04.04.2026:
https://rutube.ru/video/2d261b826f56ddbb993d25bd4bcb26cc/
Videos of ultra sound screening on 10.04.2025: