Most tilapia produced by Nam Sai Farms are male monosex and sold at a size of 1" (0.25g). Transport costs are not overly expensive within the country, as they are packed at 1,000 per bag and a 1 ton adapted pick-up truck can transport up to 300,000 fish to any location within Thailand. Transport costs become prohibitively expensive when sending by air to overseas destinations and only 1,400 fish can be packed in a 60 x 45 x 30 cm box to Europe, for example.
Or contact the seller
in section "Tilapia"