[1] H. centriscoides was also described by Alcock in 1899 and its type locality given as the Gulf of Mannar to the west of Sri Lanka at 7°15'N, 77°46'E from a depth of 143 fathoms (858 ft; 262 m).
[2] In 1913 Max Carl Wilhelm Weber described a second species in the genus, H. alcocki, giving its type locality as the Arafura Sea at 5°48.2'S, 132°13'W.
[3] The 5th edition of Fishes of the World classifies the family Triacanthodidae in the suborder Triacanthoidei in the order Tetraodontiformes.
[5] Halimochirurgus contains two recognised species:[6] Halimochirurgus spikefishes have a flat lower surface to the pelvis, the pelvis tapers to a point to the rear being much broader between the spines of the pelvic fins and at its rear, this feature places the genus in the subfamily Triacanthodinae.
The mouth is not wider than the width of the snout immediately behind it and is not twisted to one side, The small, barely visible teeth are conical.