5 Mariana Islands species out of 6 reported | 16 Indo-Pacific species
Siganus argenteus
Siganus corallinus (Palau)
Siganus punctatus
Siganus randalli
Siganus spinus
Note: While Siganus corallinus has been reported from the Mariana Islands, the individual above was photographed in Palau. I have not yet observed this species in the waters around Guam.
Additional rabbitfish species reported from the Mariana Islands by Myers and Donaldson (2003):