Big Amu Darya Shovelnose Sturgeon (Pseudoscaphirhynchus kaufmanni)
Small narrow snout (dwarf) 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/114-pseudoscaphirhynchus-kaufmanni-nukus-balyk-hatchery-brood-stock-inaturalist-255307657-chip-401864#sigProIdf0c7065568
The first 4 photos were taken on 14.12.2024
The next 7 photos were taken on 04.04.2026
iNaturalist link:
https://www.inaturalist.org/observations/255307657
Microchip implant 900263000-401864
Implanted 10.04.2025
Origin:The Amu Darya river, town of Khanka area (Khorezm province, Uzbekistan); 12.12.2024; weight - no data
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: male
Weight on 10.04,2025 - 115,3 g
Date: 04.04.2026
Result: male ready to spawn
Weight on 04.04.2026 - 130 g
Videos of ultra sound screening on 04.04.2026:
Videos of ultra sound screening on 10.04.2025:
Experimental carp pituitary extract injection to stimulate spermitation in a male shovelnose
Dates: 10-12.04.2025
Result: negative
Video of experimental carp pituitary extract injection to stimulate spermitation in a male shovelnose 10.04.2025: