1a. First gill arch with 6 to 12 gill rakers on upper limb and 15 to 18 on lower limb (total 22 to
28); colour of body varying from steel blue to purplish brown . . . . . . . . . . . . . Aphareus furca
1b. First gill arch with 16 to 19 gill rakers on upper limb and 32 to 35 on lower limb (total 49
to 52); colour of body varying from blue-grey or mauve to reddish . . . . . . . . . Aphareus rutilans
7a. Dorsal fin with X spines and 11 (rarely 10) soft rays; last soft ray of both dorsal and anal
fins longer than next to last soft ray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
)
)
)
)
