Animal Species:Non-parasitic Lamprey, Mordacia praecox Potter, 1968
The Non-parasitic Lamprey is an Australian endemic species that occurs in freshwaters. The mouth of this jawless species contains radially arranged plates.
Standard Common Name
The Non-parasitic Lamprey has an eel-like body with 7 pairs of gill openings. It has a hood-like upper lip overhanging a suctorial mouth, small eyes and two dorsal fins positioned towards the rear of the body.
It grows to around 50 cm in length.
The species is only known from streams of southern NSW and possibly the La Trobe River, Victoria.
The map below shows the Australian distribution of the species based on public sightings and specimens in Australian Museums. Source: Atlas of Living Australia.
Distribution by collection data
- Allen, G.R., Midgley, S.H. & M. Allen. 2002. Field Guide to the Freshwater Fishes of Australia. Western Australian Museum. Pp. 394.
- 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.
Mark McGrouther , Senior Fellow