acipenserid herpesvirus 2 acipenserid herpesvirus 2 acipenserid herpesvirus 2 (acihv-2) is a virus in the genus ictalurivirus, family alloherpesviridae, and order herpesvirales. it infects sturgeon of the family: acipenseridae. acipenserid herpesvirus 2 virus classification (unranked): virus realm: duplodnaviria kingdom: heunggongvirae phylum: peploviricota class: herviviricetes order: herpesvirales family: alloherpesviridae genus: ictalurivirus species: acipenserid herpesvirus 2