The zoological institute was restructured in 2004 and now it consists of three subdivisions: Evolutionary biology, Cellular neurobiology and Cell Physiology. More information about the subdivisions is found on the individual pages.

The institute occupies three buildings: Biozentrum Spielmannstr. 7 (Cellular Neurobiology), Spielmannstr. 8 (Cell Physiology) and Mendelssohnstr. 4 (Evolutionary Biology).