Siberian sturgeon? Not sure though
thanks! that's why I didn't want to list out all the sturgeons, theres just too many LOL.Here is a list of all the sturgeon species that grow over 100kg
Acipenser baerii - Siberian Sturgeon
Acipenser fulvescens - Lake Sturgeon
Acipenser gueldenstaedtii - Diamond Sturgeon
Acipenser medirostris - Green Sturgeon
Acipenser milkadoi - Sakhalin Sturgeon
Acipenser oxyrhynchus oxyrhynchus - Atlantic Sturgeon
Aciepsner schrenckii - Amur Sturgeon
Acipenser sinensis - Chinese Sturgeon
Acipenser sturio - Common / European Sturgeon
Acipenser transmontanus - White Sturgeon
Huso Huso - Beluga Sturgeon unofficial reports of it growing to over 2000k kg
Huso Dauricus - Kaluga Sturgeon
Source https://www.pondlife.me.uk/sturgeons/sturgeoninfo.php