- Aspergillus niger Is filamentous fungi that is found in mesophilic environments.
- It is not only a xerophilic fungi, but is also a thermotolerant organism, that produces colonies composed of white or yellow felt that is covered by dark asexually produced fungal spores.
- Mycelial hyphae are divided by a septum and are transparent.
- It produces citric acid as well as industrial enzymes, such as amylases, proteases, and lipases.