Anthrax bacilli differs from anthracoid bacilli by being -
Anthrax bacillus is capsulated, nonmotile and produce nonhemolytic colony on blood agar.
Both Anthrax bacilli and Anthracoid bacilli are strict aerobe.

Ref: Apurba Sastry’s Essentials of Medical Microbiology 1/e p254, Ananthanarayan 9/e p249
Non-capsulated
Strict aerobe
Non-motile
Haemolytic colonies on blood agar