The Longnose Lancetfish has a large mouth with fangs and a high, sail-like dorsal fin running along the dorsal margin.
The dorsal fin origin is positioned above the rear margin of the operculum. It's anterior rays are long. Large fangs are present on both jaws, those of the top jaw project from vomer.
The snout is longer than the aptly named Shortnose-Lancetish (at least 40% Head Length vs. less than 40% Head Length).
The species occurs circumglobally in tropical and some temperate waters.
The map below shows the Australian distribution of the species based on public sightings and specimens in Australian Museums. Click on the map for detailed information. Source: Atlas of Living Australia.
- Gomon, M.F., Bray, D. & R.H. Kuiter (Eds). 2008. The Fishes of Australia's Southern Coast. Reed New Holland. Pp. 928.
- Hoese, D.F., Bray, D.J., Paxton, J.R. & G.R. Allen. 2006. Fishes. In Beesley, P.L. & A. Wells. (eds) Zoological Catalogue of Australia. Volume 35. ABRS & CSIRO Publishing: Australia. parts 1-3, pages 1-2178.