Sand devil length and at least in weight. The sand devil is found in the northwestern Atlantic Ocean from Massachusetts to the Florida Keys, where it is fairly common. It also occurs in the northern Gulf of Mexico, and there are additional unconfirmed records from Cuba, Jamaica, Nicaragua, and Venezuela. The southern extent of its range is uncertain due to confusion with the disparate angelshark ("S. heteroptera") and Mexican angelshark ("S. mexicana"). This bottom-dwelling shark is found over sandy or muddy bottoms on the continental shelf and slope. Off the eastern United States, the sand devil has been documented to migrate seasonally.
Ross Island Penal Colony residence was located at the highest point on the island. The penal colony became infamous as "Kalapani" or "black water" for the brutalities inflicted by the British authorities on the political prisoners from India, and most of whom had died by 1860 due to illness and torture suffered during the initial stages of the clearance of the forest to establish the colony. In later years the colony experimented for a short time with civilizing the indigenous people of Andamans. The penal colony was used as an experimental station for various methods of torture and medical tests. During the Second World