https://wccftech.com/amd-rdna-3-navi-31-gpu-plum-bonito-fish-codename-gemini-board-rdna-4-gfx1200-rumor/

AMD might once again be going with codenames that are named after fish for its next-gen RDNA 3-powered Navi 3X lineup. The latest codenames seem to have been discovered by @Kepler_L2 over on Twitter.

Starting with the RDNA 2 lineup, AMD started using various fish names for its internal GPU naming scheme. The current-gen flagship, the RDNA 2 based Navi 21 GPU,  was codenamed 'Sienna Cichlid' and it looks like the next-gen flagship, the RDNA 3 based Navi 31 GPU, will be following tradition & be known as 'Plum Bonito'. Now Plum Bonito isn't actually a fish but actually a dish made out of the fish. The wiki description for the Bonito fish reads: