Laticauda in my experience get very territorial even at a young age. I currently have 9 juvies and keep them in individual large delicups with bamboo and fake plants and modified lids with screen for light. But I would not recommend keeping them together as I have learned they do have the ability to kill each other. One will become dominant and does not allow the other to get as much light or as much food and at the very least one will usually have stunted growth. At least that is what I have seen in my experience. Hope this helps a bit -Dan