Crematogaster auberti is a monogynous ant species with colony sizes of up to 10,000 workers. They have a fast development speed. The queen measures 8.5-9.5 mm in size, while the workers are 3.2-4.2 mm. They have a black color and can be fed with a variety of food including insects, syrup, fruit, vegetables, jelly, and cooked chicken without salt.