Author: (Lesueur, 1821)
FBname: Keeltail needlefish
Remark: The 4 subspecies were upraised at species rank, as provisionally accepted names, , until more works are conducted on <i>P. argalus</i> susbepcies to fix their status.
Comments: Occurs offshore; particularly abundant around islands (Ref. 5217); schools in sheltered parts of the reef (Ref. 48635).  Feeds mainly on small fishes.  Oviparous (Ref. 205).  Eggs may be found attached to objects in the water by tendrils on the egg's surface (Ref. 205).