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Fishing Regulations for Trinity River

To combat the spread of invasive zebra mussels, the law requires draining of water from boats and onboard receptacles when leaving or approaching public fresh waters.

Sections in DFW and Southeast Texas

Fish consumption advisory in effect. Get details

Black bass

For largemouth and smallmouth bass, minimum length limit = 14 inches. No minimum length limit for Alabama, Guadalupe, and spotted bass. Daily bag limit for all black bass species is 5 in any combination.


There is no minimum length limit or daily bag limit for common carp.

Main stem except Polk and San Jacinto counties

For channel and blue catfish, their hybrids and subspecies, 25 (in any combination - only 10 can be 20 inches or greater in length). For flathead catfish, minimum length = 18 inches and daily bag limit = 5.

From the Lake Livingston dam downstream to the FM Road 3278 bridge

For blue and channel catfish, minimum length = 12 inches. Daily bag and possession limit = 10, of which only 2 fish can be 24 inches or greater in length. For flathead catfish, minimum length=18 inches and daily bag=5.


For white and black crappie, their hybrids and subspecies, minimum length limit = 10 inches. Daily bag limit = 25 in any combination.


For alligator gar, daily bag limit is 1 fish of any size. No bag limits on other species of gar.

Mandatory Harvest Reporting - All alligator gar harvested from the public waters of the state other than Falcon International Reservoir must be reported within 24 hours to the department via mobile app or online. Report your harvest with "My Texas Hunt Harvest" app.

Certain areas may be temporarily closed to alligator gar fishing when optimum spawning conditions occur. Get details.

On the Trinity River and all tributary waters from the I-30 bridge in Dallas downstream to the I-10 bridge in Chambers County, including Lake Livingston and the East Fork of the Trinity River and all tributaries upstream to the dam at Lake Ray Hubbard

Only alligator gar less than 48 inches in length may be retained. Daily bag limit = 1. Between one half-hour after sunset and one half-hour before sunrise, no person may take or possess an alligator gar by means of lawful archery equipment or crossbow unless they possess a harvest authorization.


There is no minimum length or daily bag limit on bluegill, redear, warmouth or other species of sunfish.

Below Lake Livingston between Polk and San Jacinto counties

Daily bag limit for gizzard and threadfin shad = 500 in any combination. Possession limit = 1,000.


For rainbow and brown trout, their hybrids and subspecies, there is no minimum length and daily bag limit = 5 trout in any combination.

White bass

For white bass, minimum length = 10 inches and daily bag is 25.

Striped bass and their Hybrids

For the Trinity River from the Lake Livingston dam downstream to the FM Road 3278 bridge, striped bass MLL = 18 inches and daily bag = 2.