Plectranthias yamakawai is a species of fish in the family Serranidae occurring in the western Pacific Ocean.

[2] This species reaches a length of 20.0 cm (7.9 in).

[3] The fish is named in honor of ichthyologist Takeshi Yamakawa (b.

1942), of Kochi University, who was the one who first collected and reported this species.

This Serranidae article is a stub.