Knife Wrasse, Cymolutes praetextatus (Quoy & Gaimard 1834)


Other Names: Knife Razorfish, Knife Razorwrasse, Knifefish, Razon Wrasse

A Knife Wrasse, Cymolutes praetextatus, at Kingston, Norfolk Island, October 2016. Source: mscott / iNaturalist.org. License: CC by Attribution-NonCommercial

Summary:
A pale wrasse with a steep head profile, faint bars along the side, a white stripe  along back above a broad, yellowish or darker stripe (that may be absent).This wary wrasse dives into the sand when threatened.

Cite this page as:
Bray, D.J. 2019, Cymolutes praetextatus in Fishes of Australia, accessed 10 Jul 2020, http://136.154.202.208/home/species/224

Knife Wrasse, Cymolutes praetextatus (Quoy & Gaimard 1834)

More Info


Distribution

Ningaloo Reef, Rowley Shoals and Scott Reef, Western Australia, Ashmore Reef in the Timor Sea, and the Great Barrier Reef, Queensland; also Norfolk Island in the Tasman Sea and Cocos (Keeling) Islands in the eastern Indian Ocean. Elsewhere the species is widespread in the Indo-west-central Pacific from Africa eastwards to the Society Islands, Line Islands and Hawaii.
Inhabits reef flats and shallow lagoons, preferring shallow sandy, current-swept areas and sparse seagrass beds. Knife Wrasse dive into the sand when threatened.

Species Citation

Julis praetextata Quoy & Gaimard 1834. Voyage de découvertes de "l'Astrolabe" Zoologie 3(2): 712, pl. 15(4). Type  locality: Mauritius.

Author

Bray, D.J. 2019

Resources

Atlas of Living Australia

Knife Wrasse, Cymolutes praetextatus (Quoy & Gaimard 1834)

References


Allen, G.R. 1993. Fishes of Ashmore Reef and Cartier Island. Records of the Western Australian Museum, Supplement 44: 67-91

Allen, G.R. 1997. Marine Fishes of Tropical Australia and South-east Asia. Perth : Western Australian Museum 292 pp. 106 pls.

Allen, G.R. 2000. Fishes of the Montebello Islands. Records of the Western Australian Museum, Supplement 59: 47-57

Allen, G.R. & Erdmann, M.V. 2012. Reef fishes of the East Indies. Perth : Tropical Reef Research 3 vols, 1260 pp.

Allen, G.R. & Russell, B.C. 1986. Part VII Fishes. pp. 79-103 in Berry, P.F. (ed.) Faunal Surveys of the Rowley Shoals, Scott Reef and Seringapatam Reef, northwestern Australia. Records of the Western Australian Museum, Supplement 25: 1-106

Allen, G.R. & Smith-Vaniz, W.F. 1994. Fishes of the Cocos (Keeling) Islands. Atoll Research Bulletin 412: 21 pp.

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

Francis, M.P. & Randall, J.E. 1993. Further additions to the fish faunas of Lord Howe and Norfolk Islands, southwest Pacific Ocean. Pacific Science 47(2): 118-135 figs 1-22 pls 1-4

Hobbs, J-P.A., Newman, S .J., Mitsopoulos, G.E.A., Travers, M.J., Skepper, C.L., Gilligan, J.J., Allen, G.R., Choat, H.J. & Ayling, A.M. 2014. Fishes of the Cocos (Keeling) Islands: new records, community composition and biogeographic significance. Raffles Bulletin of Zoology Supplement 30: 203–219

Hutchins, J.B. 2001. Biodiversity of shallow reef fish assemblages in Western Australia using a rapid censusing technique. Records of the Western Australian Museum 20: 247-270

Hutchins, J.B., Williams, D.McB., Newman, S.J., Cappo, M. & Speare, P. 1995. New records of fishes for the Rowley Shoals and Scott/Seringapatam Reefs, off north-western Australia. Records of the Western Australian Museum 17: 119-123

Kuiter, R.H. 1983. Fish in focus. Tropical wrasses. The Scuba Diver 1983: 27-36

Kuiter, R.H. 2010. Labridae fishes: wrasses. Seaford, Victoria, Australia : Aquatic Photographics pp. 398.

Moore, G. & Morrison, S. 2009. Fishes of three North West Shelf atolls off Western Australia: Mermaid (Rowley Shoals), Scott and Seringapatam Reefs. Records of the Western Australian Museum, Supplement 77: 221-255

Hutchins, J.B. & Swainston, R. 1986. Sea Fishes of Southern Australia. Complete field guide for anglers and divers. Perth : Swainston Publishing 180 pp. 

Kuiter, R.H. 1983. Fish in focus. Tropical wrasses. The Scuba Diver 1983: 27-36.

Quoy, J.R.C. & Gaimard, J.P. 1834. Poissons. In: Voyage de découvertes de "l'Astrolabe," exécuté par ordre du Roi, pendant les années 1826-29, sous le commandement de M. J. Dumont d'Urville. Paris. Zoologie, v. 3 (Pt 2): 645-720, Pls. 1-4, 7, 10-12, 14, +.

Randall, J.E. 2005. Reef and shore fishes of the South Pacific. New Caledonia to Tahiti and the Pitcairn Islands. University of Hawaii Press, Honolulu, Hawaii. 720 pp.

Randall, J.E., Allen, G.R. & Steene, R. 1990. Fishes of the Great Barrier Reef and Coral Sea. Bathurst : Crawford House Press 507 pp. figs.

Randall, J.E., Allen, G.R. & Steene, R. 1997. Fishes of the Great Barrier Reef and Coral Sea. Bathurst : Crawford House Press 557 pp. figs.

Randall, J.E., Langston, R.C. & Severns, M. 2006. First Record of the Labrid Fish Cymolutes praetextatus from the Hawaiian Islands. Pacific Science 60(4): 549-553.

Russell, B. 2010. Cymolutes praetextatus . The IUCN Red List of Threatened Species 2010: e.T187681A8599271. http://dx.doi.org/10.2305/IUCN.UK.2010-4.RLTS.T187681A8599271.en. Downloaded on 16 December 2019.

Westneat, M.W. 2001. Labridae. pp. 3381-3467 in Carpenter, K.E. & Niem, T.H. (eds) The Living Marine Resources of the Western Central Pacific. FAO Species Identification Guide for Fisheries Purposes. Rome : FAO Vol. 6 pp. 3381-4218.

Quick Facts


CAAB Code:37384099

Behaviour:Dives into sand when threatened

Conservation:IUCN Least Concern

Depth:1-27 m

Habitat:Reef associated, sandy/seagrass areas

Max Size:20 cm SL

Species Image Gallery

Species Maps

CAAB distribution map