spaces. Lastly, residential and commercial development has added to the decline of the species including coastal building and infrastructure development, renewable energy sources like underwater turbines. Combined, these have led to the decline in population numbers causing a lack of genetic diversity in the species. Threat to Humans The sawback angelshark is a harmless species, but may be dangerous to humans if provoked or their habitat is disturbed. References Research Sources Compagno, Dando, & Fowler, Sharks of the World, Princeton University Press, New Jersey 2005 Turan, Cemal, et al. Occurrence of a Sawback Angelshark (Squatina Aculeata Cuvier), 1829 ... Faculty of Marine Sciences and Technology, Iskenderun Technical University, 22 Aug. 2019, http://biozoojournals.ro/bihbiol/cont/v14n1/bb_e192303_Ergenler.pdf. External links sawback angelshark Fish of the Mediterranean Sea Marine fauna of West Africa sawback angelshark sawback angelshark