If an abalone is extra large, then one will weigh 500 grams, whereas one abalone at both ends will weigh 250 grams. There are many abalones, big and small. How many abalones are there in a catty? How many abalones are there? For example, ten abalones are a catty, so this is ten. A kilo of eight abalones means eight, so the smaller the number of abalones, the bigger and more expensive they are. Fresh abalone, frozen abalone and canned abalone are not counted by the number of heads.