Agonomalus jordani is a fish in the family Agonidae.

[2] It was described by David Starr Jordan and Edwin Chapin Starks in 1904.

[3] It is a marine, temperate water-dwelling fish which is known from the northwestern Pacific Ocean, including Japan, the Sea of Japan, and Sakhalin.

It dwells at a depth range of 10 to 105 metres (33 to 344 ft).

Males can reach a maximum total length of 18 centimetres (7.1 in), but more commonly reach a TL of 11 centimetres (4.3 in).