so in hard stressful times.....i bring home snakes lol so i got this guy actually im not even sure if its a male i care none the less what he is

are boas typically mean? i used to have a female columbian red tail that i had to get rid of becuz she bit my face and my father at the time didnt want her around with a 2 month old baby now this guy tried biting me 4 times with in 5 seconds lol the only thing known about him/her is the owner fed him 5 mice once a week till thursday he got a large rat and oh did he love that lol k so anyways i need help figuring out what EXACTLY he is becuz almost all of the boas look the same to me and need help with a name suggestion he is being called he becuz thats what they were calling him lol