Aspergillus aculeatus is considered to be a ubiquitous species that could be usually isolated from rotting fruits and soil.

Morphological characteristics such a color, size, shape and ornamentation of conidia are crucial for the classification of strains of black-spored Aspergillus species.

Aspergillus can rapidly degrade cell walls of plants they infect, and isolates of A. aculeatus have been used to produce a number of important industrial enzymes, including cellulases, hemicellulases and proteases.

Due to its industrial value, the biochemical and catalytic properties of several hydrolases from A. aculeatus have been extensively studied.

Also, structural studies using X-ray crystallography have been carried out on several polysaccharide degrading enzymes from Aspergillus aculeatus.