Tips to Liz for encouraging me to take the time to learn about the Chilean Sea Bass. Neither Chilean or a Bass, the Patagonian Toothfish was worth next to nothing until it was given its new fancy moniker. Now a high ticket item at restaurants across the nation its trendiness has pushed it to the brink of extinction. While it is a protected species illegal fishing still persists. So next time you sit down for a bite, take a pass on Chilean Sea Bass.