crazy and blueheng : mealworms? same kind of mealworms for arowana? can hamster take superworms too?

earlier i was saying the hamster was shivering.. Now i understand why they shiver.. coz in office i placed them temporary somewhere in direct blow of the air conditioning and the temperature for the air cond is 16C with 2Hp .. my bad..

hamster can lau sai ar taking meal worms? btw all the tunnels piping out there izzit of a same size (diameter)..

some pic here as a sincere grats for all ur advice 

my wife and me stayin in USJ 11.. anyone staying nearby also?