6.65 kilograms. A kilo of loach seedlings is 4-6 cm according to specifications, and the average kilo 1.5 g is 33333. If the survival rate is 100, that is 1333 kg of finished loach, then one kg of loach seedlings is 13.3 kg of finished loach, and the unit of 13.3 kg is converted into kilograms. Misgurnus anguillicaudatus is a kind of small fish that lives in fresh water environment, usually grows in ponds, lakes and rivers, and is a common freshwater edible fish.