PROTECTION STATUS: Endangered
YEAR PLACED ON LIST: 1994
CRITICAL HABITAT: 98,366 acres in Monterey, Santa Barbara, Ventura, Los Angeles, San Bernardino, Riverside, Orange and San Diego counties designated in 2011
RECOVERY PLAN: 1999
RANGE: Coastal slopes in southern California from the Salinas River Basin in Monterey and San Luis Obispo counties to Arroyo San Simón in northern Baja California, Mexico; a few drainages on desert slopes of the San Gabriel and San Bernardino mountain ranges
THREATS: Habitat degradation due to water projects, development, and urban sprawl; invasive species predation; and small population size
POPULATION TREND: The arroyo toad has been extirpated from an estimated 65 percent of its former range. Currently, only six of the 22 extant populations south of Ventura, California, are known to contain more than a dozen adults.