The holotype of this species was found at 17 m depth at Isla San Benito Oueste, on the Pacific Ocean coast of Baja California, Mexico. Additional specimens used in the original description were from nearby Isla Cedros and Bahia Magdelana, Pacific Ocean, Mexico.Koehler, E. (2008) Hermosita sangria Thumbnail selection at: Medslugs.de It has also been reported from Costa Rica.
