If an abalone sample does not belong to Category I and satisfies one of the following

criteria, it belongs to Category II:

$1)($Shell weight $<0\mathrm{.}4)$ AND $($Shucked weight $<0\mathrm{.}4).$

$2)($Ring $>15$ AND Male$)$ OR $($RING $>18$ AND Female$).$

$3)$ Length $<0\mathrm{.}36$