Dipulus norfolkanus Machida 1993

Dipulus norfolkanus. Source: John E. Randall. License: CC by Attribution-NonCommercial

Cite this page as:
Bray, D.J. 2018, Dipulus norfolkanus in Fishes of Australia, accessed 16 Apr 2024, https://fishesofaustralia.net.au/home/species/4068

Dipulus norfolkanus Machida 1993

More Info


Endemic to the Australian Territory of Norfolk Island in the Tasman Sea.


Dorsal fin 86-104; Anal fin 56-65; Vertebrae 13-16 + 31-35 = 45-49. 
Body elongate; D/A 36-42, V/A 17-19; spine on maxilla positioned behind rear tip of eye; exposed opercular spine straight; lower lip with skin folds; otoliths pointed anteriorly and rounded posteriorly, postdorsal angle sharp, pronounced.
Scales absent; no supraorbital pore behind eye; lower preopercular pores 3, non-tubular; posterior infraorbital pores 2.
Single pair of pseudoclaspers large, curved, broad club-shaped; penis about half the length of pseudoclaspers, with hook at tip.

Species Citation

Dipulus norfolkanus Machida 1993, Japanese Journal of Ichthyology 40(1): 43, figs. 1-2. Type locality: Cascade Rocks, Norfolk Island, 0-0.5 m, 29°15'S, 167°58'E.


Bray, D.J. 2018


Australian Faunal Directory

Dipulus norfolkanus Machida 1993


Francis, M. 1993. Checklist of the coastal fishes of Lord Howe, Norfolk, and Kermadec Islands, southwest Pacific Ocean. Pacific Science 47(2): 136-170 figs 1-2 

Machida, Y. 1993. Dipulus norfolkanus, a new shallow-water bythitid fish from Australia (Ophidiiformes). Japanese Journal of Ichthyology 40(1): 43-46 

Møller, P.R., Knudsen, S.W., Schwarzhans, W. & Nielsen, J.G. 2016. A new classification of viviparous brotulas (Bythitidae) – with family status for Dinematichthyidae – based on molecular, morphological and fossil data. Molecular Phylogenetics and Evolution 100: 391-408. https://doi.org/10.1016/j.ympev.2016.04.008

Møller, P.R. & Schwarzhans, W. 2006. Review of the Dinematichthyini (Teleostei, Bythitidae) of the Indo-west Pacific. Part II. Dermatopsis, Dermatopsoides and Dipulus with description of six new species. The Beagle, Records of the Museums and Art Galleries of the Northern Territory 22: 39-76 

Nielsen, J.G., Cohen, D.M., Markle, D.F. & Robins, C.R. 1999. Ophidiiform Fishes of the World. An annotated and illustrated catalogue of pearlfishes, cusk-eels, brotulas and other ophidiiform species known to date. FAO Fisheries Synopsis No. 125 Vol. 18. 178 pp.

Quick Facts


Depth:0-15 m

Habitat:Reef associated

Max Size:7.3 cm SL


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