An endemic Australian genus with 2 species having a high ridge along the snout. Both species are found in southern waters.
Body elongate, trunk shallow; head aligned with body; snout moderately long; STR and STAR discontinuous near rear of dorsal‑fin base; ITR and ITAR continuous; LTR not confluent with tail ridges; eggs brooded on open undersurface of tail just behind anal fin; tail not prehensile; dorsal fin closer to head than tip of tail, with base of moderate length; anal fin tiny, below rear half of dorsal fin; caudal fin very small, rounded; pectoral fins present.
Dawson, C.E. 1984. Synopsis of Australian pipefishes usually referred to the syngnathine (tail-pouch) genera Syngnathus, Leptonotus and Histogamphelus. Memoirs of Museum Victoria 45: 71-123 [Plates 1-9]
Dawson, C.E. 1985. Indo-Pacific Pipefishes (Red Sea to the Americas). Ocean Springs (Mississippi): Gulf Coast Research Laboratory 230 pp. 293 figs pl. 1.
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Hale, H.M. 1939. Some fishes hitherto unknown from South Australian waters. South Australian Naturalist 19(4): 1-5 5 figs 1 pl.
Hale, H.M. 1941. A new South Australian pipe fish. South Australian Naturalist 22(2): 10 1 fig.
Hutchins, J.B. 2001. Checklist of the fishes of Western Australia. Records of the Western Australian Museum, Supplement 63: 9-50
Kuiter, R.H. 1993. Coastal Fishes of South-eastern Australia. Bathurst : Crawford House Press 437 pp.
Kuiter, R.H. 2000. Seahorses, Pipefishes and Their Relatives. Chorleywood, UK : TMC Publishing 240 pp.
Kuiter, R.H. 2008. Syngnathidae. pp. 448-479 in Gomon. M.F., Bray, D.J. & Kuiter, R.H (eds). Fishes of Australia's Southern Coast. Sydney : Reed New Holland 928 pp.
Kuiter, R.H. 2009. Seahorses and their relatives. Seaford, Australia : Aquatic Photographics pp. 331.
Macleay, W.J. 1881. Descriptive catalogue of the fishes of Australia. Part 4. Proceedings of the Linnean Society of New South Wales 1 6(2): 202-387 [sometimes cited as 1882]
McCulloch, A.R. 1914. Notes on some Australian pipefishes. The Australian Zoologist 1(1): 29-31 figs 1-4
Paxton, J.R., Gates, J.E., Hoese, D.F. & Bray, D.J. 2006. Syngnathidae. pp. 810-846 in Beesley, P.L. & Wells, A. (eds). Zoological Catalogue of Australia. Volume 35 Australia : ABRS & CSIRO Publishing Parts 1-3 2178 pp.
Pognoski, J.J., Pollard, D.A. & Paxton, J.R. 2002. Conservation Overview and Action Plan for Australian Threatened and Potentially Threatened Marine and Estuarine Fishes. Canberra : Environment Australia 375 pp.
Whitley, G.P. 1948. Studies in Ichthyology No. 13. Records of the Australian Museum 22(1): 70-94 figs 1-11
Whitley, G.P. 1950. Studies in Ichthyology No. 14. Records of the Australian Museum 22(3): 234-245 figs 1-5 pl. 17