i haven't seen any difference between small or large ocellaris being hosted. i currently have 6 different ocellaris kinds of varying sizes. they all enjoy their bta's and sebae. they just needed a day or 2 of being shown by a skunk clown how the process goes. lol my little trick, and it's worked 6 outta 6 times. it took anywhere from an hour to 2 days, they they were buried in the nems