Nume stiintific: Acipenser sp. Familia: Acipenseridae Specia: Acipenser sturio (sturion de Atlantic, sip) Acipenser transmontanus (sturion alb) Acipenser gueldenstaedtii (nisetru) Acipenser Baerii (nisetru siberian) Acipenser Ruthenus (cega) Acipenser stellatus (pastruga) Huso huso (morun) Polyodon spathula (Polyodon)   Descriere: Sturionii nu au oase, scheletul fiind cartilaginos cu exceptia craniului. Majoritatea sturionilor au 5 randuri de placi […]