Laurent Koscielny has impressed in his two appearances already for the club, while Johan Djourou is expected to push on after an injury hit couple of seasons. Thomas Vermaelen, too, has remained reliable.
Squillaci therefore appreciates he faces a fight if he is to squeeze his way into the Arsenal line-up. When he does get his chance, though, he is confident he will be able to handle his new surroundings.
"For sure I will need a bit of time to adapt,' he continued. 'But I know about English football because I have played against some of the clubs in the Champions League. It is very physical in this league and I like that.
"It is true I don't speak very good English at the moment but I am picking up all the important words. And yes, I am taking lessons as well. I think the more I play the better my English will become.
"It is a very big club at every level. I am very happy to be at such a big club like Arsenal and it is up to me to make the most of being here."