Pygoplites diacanthus   (Boddaert,  1772) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Randall, J.E.

Size: 25.0 cm SL

Color: Sides with alternating dark-edged bluish white and orange stripes which narrow and angle backward in dorsal fin, posterior portion of dorsal fin black with close-set blue dots, posterior portion of anal fin with alternating yellow and blue bands running parallel to body contour, caudal fin yellow. Juveniles with a large ocellated dark spot on basal portion of the soft dorsal fin.

Dorsal spines (total): 14 - 14, Dorsal soft rays (total): 17 - 19, Anal spines: 3, Anal soft rays: 17 - 19.

Max. age reported: 15 years

Synonym (s)
Chaetodon diacanthus Boddaert, 1772
Holacanthus diacanthus (Boddaert, 1772)
(Senior synonym)
Pygoplites diacanthus (Boddaert, 1772)
(Senior synonym)
Chaetodon diacanthus Boddaert, 1782
Chaetodon boddaerti Gmelin, 1789
Chaetodon fasciatus Bloch, 1787
Chaetodon diacanthus Bloch and Schneider, 1801
Holacanthus dux Lacepede, 1802
Holacanthus dux Cuvier and Valenciennes, 1831
Holacanthus dux Ruppell, 1835
Holacanthus dux Bleeker, 1852
Holacanthus dux Ruppell, 1852
Holacanthus dux Bleeker, 1860
Holacanthus diacanthus Gunther, 1860
Holacanthus diacanthus Kner, 1863
Holacanthus diacanthus Playfair, 1866
Holacanthus diacanthus Klunzinger, 1870
Holacanthus diacanthus Bleeker, 1872
Holacanthus diacanthus Gunther, 1873
Holacanthus diacanthus Gunther, 1875
Holacanthus diacanthus Bleeker, 1875
Holacanthus diacanthus Day, 1888
Holacanthus diacanthus Macleay, 1883
Holacanthus diacanthus Klunzinger, 1884
Holacanthus diacanthus Sauvage, 1891
Holacanthus bispinous Jordan and Evermann, 1905
Holacanthus diacanthus Seale, 1906
Holacanthus diacanthus Jordan and Seale, 1907
Holacanthus diacanthus M. Weber, 1913
Holacanthus diacanthus Ogilby, 1915
Centropyge diacantha Jordan, 1922
Holacanthus diacanthus Herre and Montalban, 1927
Holacanthus diacanthus Fowler, 1928
Holacanthus diacanthus Duncker and Mohr, 1929
Holacanthus diacanthus Fowler and Bean, 1929
Holacanthus diacanthus Herre, 1931
Pygoplites diacanthus Fraser-Brunner, 1933

Common Name (s)
• Regal Angelfish (English)
• Royal Angelfish (English)
Economic Importance and Threats
Importance:  Commercial
(Fisheries, aquarium)

Habitat:  Reef Associated
Trophic Level:  Secondary Consumer
Prey:  Zoobenthos, plants, benthic algae/weeds


• Andaman and Nicobar Islands, Andaman Islands (Lat: 10) (Long: 93) INDIA
• Lakshadweep, Kavaratti Atoll (Lat: 10.55) (Long: 72.63) INDIA (Record: 01/1991-06/1992)

Literature Source(s)
  • Rao, DV; Devi, K and Rajan, PT (2000) An account of ichthyofauna of Andaman and Nicobar Islands, Bay of Bengal Occasional paper no 178 Records of the Zoological Survey of India ZSI, Calcutta 1-434 Available at - NCL, Pune
  • Devi, K and Rao, DV (2003) Poisonous and venomous fishes of Andaman Islands, Bay of Bengal Occasional paper no 211 Records of The Zoolgical Survey of India ZSI, Calcutta 25934 Available at - NCL, Pune
  • James, C; O'Farrell, S; Hamylton, S; Ingwersen, C and Walker, R The coral reef resources of Mu Ko Surin national park, Thailand Coral Cay Conservation Available at -
  • Rouphael, T; Turak, E and Jon, B Seagrasses and mangroves of Yemen's Red Sea 41-89
  • Durville, P; Chabanet, P and Quod, JP (2003) Visual Census of the Reef Fishes in the Natural Reserve of the Glorieuses Islands (Western Indian Ocean) Western Indian Ocean J. Mar. Sci. WIOMSA 2 95-104
  • Chabanet, P and Patrick, D (2005) Reef Fish Inventory of Juan De Novas Natural Park (Western Indian Ocean) Western Indian Ocean Journal Marine Sciences 2005 WIOMSA 4 145-162
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Anand, PEV and Pillai, NGK (2003) Habitat distribution and species diversity of coral reef fishes in the reefslope of the Kavaratti atoll, Lakshadweep, India Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 45(1) 88-98 Available at - NIO, Goa
  • Weber, M; Beaufort, LF (1936) The fishes of the Indo-Australian Archipelago Print times, Pataudi house, Daryaganj, New Delhi 7 607 pp Available at - NIO, Goa

Page last updated on:2010-05-05

Back to Search