Even though I'm a native Texan and have lived in East Texas since I was a tween, I wasn't aware of that. I found it particularly interesting given that we live in such a lake-centric area. I love getting out on one of our East Texas lakes and feeling the daily stresses just start to slide off my psyche that butter on a hot roll.
There's the danger of mercury poisoning and if you were to only feed canned tuna to your cat, they wouldn't get all of the nutrients they need. This is very unhappy news for Juniper the Cat, who only has cans of tuna on her Christmas wish list.