you may be a little overstocked, with that many fish (i have four [maroon clown, pygmy angle, royal gramma, & lawnmower blenny] in a 29g. my trates stay at 20,which is to high imo) for a 24g. a lawnmower blenny also may not do well( i say MAY not) most only eat alge so he may starve. my lmb eats...