In its annual winter tradition signaling the start of the holiday, the Texas Parks and Wildlife Department (TPWD) began stocking thousands of rainbow trout on Nov. 23, the day before Thanksgiving.TPWD plans to stock 337,469 rainbow trout in Texas by March 3. Because rainbow trout are unable to survive in Texas after winter, anglers are encouraged to keep up to their daily bag limit of five trout.TPWD will stock rainbow trout into the Canyon Tailrace on the Guadalupe River below Canyon Lake, and the Possum Kingdom Tailrace on the Brazos River below Possum Kingdom Lake for anglers willing to try ...