The subfamily Salmoninae is divided into two tribes, Salmonini (includes 3 genera: Salmo, Salvelinus, and Salvethymus) and Oncorhynchini (includes 4 genera: Oncorhynchus, Brachymystax, Hucho, and Parahucho), despite the similarities, the genera Salmo (Atlantic Trout and Salmon) and Oncorhynchus (Pacific Trout and Salmon) are not closely related, the similarities between the genera Salmo and Oncorhynchus are an example of convergent evolution, as the atlantic trout and salmon (genus Salmo) are more closely related to the chars (genera Salvelinus and Salvethymus), while the pacific trout and salmon (genus Oncorhynchus) are more closely related to the lenoks (genus Brachymystax) and taimens (genera Hucho and Parahucho).