Their descendants now occupy the Cocopah and Quechan reservations. Cocopah is a Delta language of the Yuman language family spoken by the Cocopah. They are mostly likely ancestors of the Cocopah and other Yuman-speaking tribes in the region. Queho's mother was from the Cocopah tribe. For instance, Cocopah in Mexico use a different orthography than Cocopah in Arizona. Much of the Cocopah language was passed down through speaking, rather than through writing. The Mojave and Cocopah Canals were constructed as splits off the Reservation Canal. The Cocopah mostly work on agricultural ejidos or fishing. The Cocopah people ate the seeds after roasting them. Cocopah peoples in the United States are enrolled in the Cocopah Tribe of Arizona. Cocopah men often also served as deck hands on the boats. Cocopah has both short and long vowels. According to the US Census, there were 1,009 Cocopah in 2010. On important occasions, Cocopah people wear their customary ribbon shirts and ribbon dresses. As of the 2000 United States Census, the Cocopah Tribe of Arizona numbered 891 people.