Temperate Australian and Japanese genus with 2 species, one endemic to Australian waters. Body elongate, trunk shallow; head aligned with body; snout moderately long; posterior angles of body rings somewhat elevated and produced to spine‑like points; STR and STAR discontinuous near rear of dorsal‑fin base; ITR and ITAR discontinuous; LTR confluent with LTAR and STAR; eggs brooded on open undersurface of trunk; tail not prehensile; opercles with complete ridge angled upward toward gill opening, with prominent supplemental ridges radiating below; dorsal fin closer to tip of tail than head, with base of moderate length; anal fin tiny, below front half of dorsal fin; caudal fin tiny; pectoral fins present.
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.
Dawson, C.E. 1994. Family Syngnathidae. pp. 440-475 figs 391-426 in Gomon, M.F., Glover, C.J.M. & Kuiter, R.H (eds). The Fishes of Australia's South Coast. Adelaide : State Printer 992 pp. 810 figs.
Edgar, G.J., Last, P.R. & Wells, M.W. 1982. Coastal Fishes of Tasmania and Bass Strait. Hobart : Cat & Fiddle Press 175 pp.
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. 1996. Guide to sea fishes of Australia. A comprehensive reference for divers and fishermen. Sydney, NSW, Australia : New Holland Publishers xvii, 434 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.
Munro, I.S.R. 1961. Handbook of Australian fishes. Nos 1–42. Australian Fisheries Newsletter 15–17, 19, 20: 1-172 [published as separates 1956–1961]
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.
Whitley, G.P. 1948. Studies in Ichthyology No. 13. Records of the Australian Museum 22(1): 70-94 figs 1-11