About Acanthophrynus coronatus (Butler, 1873)
This tailless whipscorpion, Acanthophrynus coronatus, reaches a leg span of approximately 18 cm and a body width of around 4 cm, with an average lifespan of about 7 years. Its pedipalps are light red, and its prosoma ranges in color from light brown to brown. The opisthosoma shares the same base color as the prosoma and has darker brown stripes. All of its legs are lighter brown than the prosoma, and are nearly yellow in color. Acanthophrynus coronatus does not have venom glands, but it does possess stridulating organs. This species is native to Mexico, where it inhabits deciduous tropical forests in the Pacific coastal region from southern Sonora to Oaxaca, including Baja California. It occurs at elevations from 0 to 1900 meters above sea level, though it rarely exceeds 1500 meters. The average annual temperature in its range is 20 to 29 °C, and the average annual rainfall is between 300 mm and 1800 mm, varying by location.
