Sphaerodactylus nicholsiSphaerodactylus nicholsi, also known commonly as Nichols least gecko, Nichols dwarf sphaero or the Puerto Rican crescent sphaero, is a species of lizard in the family Sphaerodactylidae. The species is endemic to Puerto Rico.EtymologyThe specific name, nicholsi, is in honor of American ichthyologist John Treadwell Nichols.HabitatThe preferred habitats of S. nicholsi are forest, shrubland, and marine intertidal, but it may also be found in introduced vegetation.ReproductionSphaerodactylus nicholsi is oviparous.