The following may be available at the present time. All of these domains have been "in the sandbox" for more than ten years.

KOIBOOKS.COM $500 Active
KOICLASS.COM $500 Active
KOICLUB.COM $1,200 Active
KOICLUBS.COM $1,200 Active
KOIDEALER.COM $500 Active
KOIDEALERS.COM $500 Active
KOIFILTER.COM $500 Active
KOIFILTERS.COM $500 Active
KOIFILTRATION.COM $500 Active
KOIFOODS.COM $500 Active
KOIHOBBYIST.COM $2,500 Active
KOIHOBBYISTS.COM $2,500 Active
KOIMEDICINE.COM $500 Active
KOIMEDICINES.COM $500 Active
KOINEWS.COM $500 Active
KOINUTRITION.COM $500 Active
KOIRESOURCE.COM $500 Active
KOIRESOURCES.COM $500 Active
KOIRETAIL.COM $500 Active
KOIVET.ORG $1,500 Active
KOIVETFORUM.COM $1,500 Active
KOIVETFORUMS.COM $1,500 Active
MAILORDERPETS.COM $8,500 Active
PETLIBRARY.COM $4.500 Active
PETSHOPCATALOG.COM $8,500 Active
PONDBOOKS.COM $500 Active
PONDCATALOG.COM $3,500 Active
PONDCATALOGS.COM $3,500 Active
PONDCLASSIFIEDS.COM $500 Active
PONDCLUBS.COM $500 Active
PONDKEEPING.COM $6,500 Active
PONDNEWS.COM $1,500 Active
PONDPROFESSIONAL.COM $1,500 Active
PONDPROFESSIONALS.COM $1,500 Active
PONDSTUFF.COM $3,500 Active
SHOWKOI.COM $1,500 Active
WATERGARDEN.TV $1,500 Active
WATERGARDENERS.COM $12,500 Active
WATERGARDENING.TV $1,500 Active