If you have the room to house them seperately, then by all means do so. You can house them together (I have done so for 10 years), but its better to seperate. I finally raised enough money up to pick up some nice rack systems and LOVE it. So much easier to manage and keep track of each snake.
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Travis Rose
1.3 Rough Scale Sand Boas
1.2 Indian sand boas
13.33 Kenyan Sand Boas
X.X Nervous Rats
X.X Paranoid Mice
0.3 Dogs
0.2 Cats
X.X Fish
0.1 Very understanding wife
2.0 Future Snake Lovers