管吻鱼科为辐鳍鱼纲棘背鱼目的其中一科。

管吻鱼科下分2个属，如下：

• 管刺鱼属(Aulichthys)
  • 管刺鱼(Aulichthys japonicus)
• 管吻刺鱼属(Aulorhynchus)
  • 管吻刺鱼(Aulorhynchus flavidus)

Aulorhynchus flavidus, the tube-snout, is a species of fish related to the sticklebacks. It is the only species in the genus Aulorhynchus which is the only genus currently recognized in the family Aulorhynchidae.

This species grows to 18 cm (7.1 in) in total length. It physically resembles the sticklebacks, but has a thinner, longer body, with 24 to 27 small spines in front of the dorsal fin. It also possess a slender snout, hence the common name. Like the sticklebacks, it feeds on small invertebrates and fish larvae.