I live in south Louisiana and love fishing for specks and reds. There is no better teacher than experience but Ive learned a lot from local fishing shows here that are based in the marsh land. My favorite is Castin Cajun, I'll provide a link the their youtube page. Tons of good videos with good tips about bait and tactics.
https://youtu.be/lNyeDBTs3bw Castin Cajuns latest video I would have to believe that most tactics are universal texas to LA
-working birds
-working points with moving tides
-in the marshes with deep cuts and deep spots during winter
-trying different bait color and cork (for noise) vs swim bait
-finding oyster shells and hard bottoms
-thinking of behavior patterns i.e. as the water warms in the spring the fish will be leaving the marsh for open water in the gulf so thinking where the bait and fish may be with regard to cuts/water movement/transitions between bodies of water