The Lungcu slender gecko has a “triangular” head and can reach about 3.4 inches in size. The gecko has a “brown sand” coloring with “irregular dark brown streaks,” the study said.

Scientists found a nocturnal creature with a “triangular” head in cave of Thailand and discovered a new species, a study said. Photos from Ampai, Rujirawan, Yodthong, Termprayoon, Stuart and ...