Schooling Bannerfish, Heniochus diphreutes Jordan 1903

Other Names: Bannerfish, False Moorish Idol, Pennantfish, Schooling Coachman

A Schooling Bannerfish, Heniochus diphreutes, at North Solitary Island, New South Wales, August 2016. Source: Ian Shaw / License: CC By Attribution-NonCommercial

A silvery-white bannerfish with two diagonal black bands. The Schooling Bannerfish differs from the Longfin Bannerfish in having the second band ending at about the 'corner' of the anal fin, a shorter snout and a more rounded chest. Often seen in large schools.
Video of Schooling Bannerfish in the Maldives
Schooling Bannerfish are often seen removing parasites from Short Sunfish, Mola ramsayi, at cleaning stations in Bali, Indonesia.

Cite this page as:
Bray, D.J. 2018, Heniochus diphreutes in Fishes of Australia, accessed 29 May 2024,

Schooling Bannerfish, Heniochus diphreutes Jordan 1903

More Info


Shark Bay to the Kimberley region, Western Australia, and the northern Great Barrier Reef, Queensland, to at least Sydney, New South Wales, with juveniles further south; also in the Lord Howe Island region. Elsewhere the species occurs in the tropical, temperate, Indo-west-central Pacific - from the Red Sea and East Africa to the west-central Pacific.

Adults usually aggregate well above the bottom on deep outer reef slopes, or in shallower water in cool upwelling areas. Juveniles often school around isolated patch reefs.


Dorsal fin XII-XIII, 23-25; Anal fin III, 17-19..


Feeds on zooplankton and removes parasites from other fishes.

Species Citation

Heniochus diphreutes Jordan 1903, Proc. U. S. Natl Mus. 26(1328): 694. Type locality: Nagasaki, Japan


Bray, D.J. 2018


Australian Faunal Directory

Schooling Bannerfish, Heniochus diphreutes Jordan 1903


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

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

Allen, G.R., Steene, R. & Allen, M. 1998. A Guide to Angelfishes & Butterflyfishes. Cairns : Odyssey Publishing/Tropical Reef Research 250 pp. figs. 

Allen, G.R. & Kuiter, R.H. 1978. Heniochus diphreutes Jordan, a valid species of butterflyfish (Chaetodontidae) from the Indo-West Pacific. Journal of the Royal Society of Western Australia 61(1): 11-18 figs 1-5 

Allen, G.R. & Swainston, R. 1988. The Marine Fishes of North-Western Australia. A field guide for anglers and divers. Perth, WA : Western Australian Museum vi 201 pp., 70 pls. 

Brothers, E.B. & Thresher, R.E. 1985. Pelagic duration, dispersal, and the distribution of Indo-Pacific coral-reef fishes. Symp. Ser. Undersea Res. 3(1): 53-69.

Coleman, N. 1981. Australian Sea Fishes North of 30°S. Lane Cove, NSW : Doubleday Australia Pty Ltd 297 pp. 

Findley, J.S. & Findley, M.T. 2001. Global, regional, and local patterns in species richness and abundance of butterflyfishes. Ecological Monographs 7(1): 69-91.

Francis, M.P. 1993. Checklist of the coastal fishes of Lord Howe, Norfolk, and Kermadec Islands, Southwest Pacific Ocean. Pacific Scientific 47(2): 136-170.
Gloerfelt-Tarp, T. & Kailola, P.J. 1984. Trawled Fishes of Southern Indonesia and Northwest Australia. Jakarta : Dir. Gen. Fish. (Indonesia), German Tech. Coop., Aust. Dev. Ass. Bur. 406 pp.

Johnson, J.W. 2010. Fishes of the Moreton Bay Marine Park and adjacent continental shelf waters, Queensland, Australia. pp. 299-353 in Davie, P.J.F. & Phillips, J.A. Proceedings of the Thirteenth International Marine Biological Workshop, The Marine Fauna and Flora of Moreton Bay. Memoirs of the Queensland Museum 54(3) 

Jordan, D.S. 1903. Supplementary note on Bleekeria mitsukurii, and on certain Japanese fishes. Proceedings of the United States National Museum 26(1328): 693-696 figs 1-3 pl. 30 

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. 2002. Butterflyfishes, Bannerfishes and their Relatives. Chorleywood, U.K. : TMC Publishing 208 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.

Rocha, L.A., Pyle, R., Myers, R., Craig, M.T., Pratchett, M. & Carpenter, K.E. 2010. Heniochus diphreutes. The IUCN Red List of Threatened Species 2010: e.T165683A6090332. Downloaded on 05 June 2018.

Sainsbury, K.J., Kailola, P.J. & Leyland, G.G. 1984. Continental Shelf Fishes of Northern and North-Western Australia. Canberra : Fisheries Information Service 375 pp. figs & pls. 

Steene, R.C. 1978. Butterfly and Angelfishes of the World. Australia. Sydney : A.H. & A.W. Reed Vol. 1 144 pp. 216 figs.

Quick Facts

CAAB Code:37365005

Conservation:IUCN Least Concern

Depth:5-210m (usually<15m)

Fishing:Aquarium fish

Habitat:Reef associated

Max Size:21 cm TL

Species Image Gallery

Species Maps

CAAB distribution map