Acestrorhynchus falcirostris is a species of fish in the family Acestrorhynchidae.

[2] It was described by Georges Cuvier in 1819, originally under the genus Hydrocyon.

It reaches a maximum standard length of 45 cm (18 in).

[2] The diet of A. falcirostris includes finfish, shrimp and insects.

[3] It is harvested by commercial fisheries, and is also sold to public aquariums.