Pseudoplesiops knighti Allen, 1987 The bugeye dottyback (Amsichthys knighti), also known as Knight's dottyback, is a species of ray-finned fish, the only species in the monospecific genus Amsichthys, belonging to the subfamily Pseudoplesiopinae, of the family Pseudochromidae.

It has a pinkish snout and brown individuals have a yellow caudal fin.

[3] The bugeye dottyback is found in the Indo-Pacific region from western Thailand east through the Malay Archipelago to the Solomon Islands and Wallis Island, south to northern Australia and north to southern Japan.

[3] The genus name compounds the initials of the Australian Museum, Sydney, the "AMS" with the greek word for "fish@, ichthys, Amsichthys.

The specific name honours Ronald Knight, Sr. of Manus, Papua New Guinea, who provided hospitality to Gerald R. Allen when he was on a collecting trip in 1982.