hey guyz,im very new to pacs,i just bought it today,its 1.5 inch..so i have a couple question here,1st one would be,is my pacs a baby?since it has a very small size compare to the one i see in youtube..2nd,iv seen many colours of pacs in google/youtube..are they different type/species of pacs? lastly,my pacs deosnt make any sound,i just bought it today(few hours ago)..I realy need to know the 1st question,cause i do not want to over feed my pacs to death..cuz i know baby pacs eat almost everyday n adult eats once a week or so..it cost me 150$...