The California Tiger Salamander ( Ambystoma californiense ) , the Barred Tiger Salamander ( Ambystoma mavortium ) , and the Plateau Tiger Salamander ( Ambystoma velasci ) , were all once subspecies of A. tigrinum , but are now separate species . The California Tiger Salamander ( Ambystoma californiense ) , the Barred Tiger Salamander ( Ambystoma mavortium ) , and the Plateau Tiger Salamander ( Ambystoma velasci ) , were all once subspecies of A. tigrinum , but are now considered separate species .