Indigenous to the Missouri and Mississippi river areas, American sturgeon are smaller and faster growing than most other species, reaching about 38" at full maturity. The roe is dark, firm and has a very mild, subtle flavor. Very nice! Shelf Life: 4-6 weeks at 26 to 36 F. PERISHABLE - SHIPS FEDEX OVERNIGHT Shelf Life:4-6 weeks,refridgerated at 26-36 F