It inhabits the Atlantic coastline of South America from southern Brazil to Argentina.

Its neurocraniam is its widest at the outer corners of its nasal capsules and post-orbital processes.

The hidden angelshark's configuration is very similar to that of a ray, the one major difference is the shark's gills, which lie edgewise of the head.

[6] Although there are many speculations as to where this species resides, studies show they are found in Puerto Quequén, Necochea, Buenos Aires Province, Argentina.

Estalles, Maria Lourdes, et al. “The Southernmost Range Limit for the Hidden Angelshark Squatina Occulta.” Marine Biodevirsity Records, Esatalles, 1 Aug. 2016, link.springer.com/content/pdf/10.1186/s41200-016-0066-x.pdf.