Amphiprion polymnus   (Linnaeus,  1758) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Randall, J.E.

Size: 12.5-13 cm.

Color: Distinguished by the third white band on the tail that is missing or as a saddle-like marking in Amphiprion sebae. Some geographical variations and in PNG often with much orange ventrally.

Height 2.2, 2.7-2.9 in length with caudal. Head 3, 3.8 in length with caudal. Length of head 1.1 in its height. Eye 3.4-4.5, equal to snout and to convex inter orbital space. Mouth oblique, maxillary reaching to below front border of eye. Rather strong conical teeth in a single row in both jaws. Preorbital with one or two spines. Suborbital scalloped or with feeble blunt spines. Preopercle feebly denticulated along its hind border, and sometimes also along its lower border, in older specimens sometimes almost smooth. Inter opercle, and specially subopercle and opercle coarsely denticulated. Opercular bones scaly. Preopercular limb naked. Scales reaching on head half diameter of eye or a little less behind a line connecting hind borders of eyes. 13-16 rows of scales before dorsal. Second or third to fifth or sixth dorsal spines sub equal and longer than the other, about equal to snout, sometimes the third spine slightly longer. Last spine equal to half diameter of eye or a little longer, much shorter than first dorsal ray. Soft dorsal rounded, much higher than spinous part, the longest ray equal to snout and eye together or a little shorter. First anal spine half length of second, which is a little more than half diameter of eye. Soft anal rounded, as deep as soft dorsal. Pectorals and ventrals sub-equal, equal to head without snout or a little longer. Caudal slightly rounded. Dorsal spines (total): 10-11, Dorsal soft rays (total): 16-18, Anal spines: 2, Anal soft rays: 12-14.

Monogamous, protandrous hermaphrodite, benthic spawner, external fertilization, guarders of eggs.

Associated with the anemones: Heteractis crispa, Stichodactyla mertensii, Macrodactyla doreensis and Stichodactyla haddoni

It has been reared in captivity.

Remarks: Values in above description denote proportions.

Synonym (s)
Amphiprion bifasciatus (Bloch, 1792)
Amphiprion bifasciatus annamensis Chevey, 1932
Amphiprion intermedius Schlegel & Muller, 1839
Amphiprion laticlavius Cuvier, 1830
Amphiprion trifasciatus Cuvier, 1830
Anthias bifasciatus Bloch, 1792
Coracinus unimaculata Meuschen, 1781
Lutjanus jourdin Lacepede, 1802
Paramphiprion hainanensis Wang, 1941
Perca polymna Linnaeus, 1758
Amphiprion bifasciatus (Bloch, 1792)
(Junior synonym)
Amphiprion bifasciatus annamensis Chevey, 1932
(Junior synonym)
Amphiprion intermedius Schlegel & Muller, 1839
(Junior synonym)
Amphiprion laticlavius Cuvier, 1830
(Junior synonym)
Amphiprion trifasciatus Cuvier, 1830
(Junior synonym)
Anthias bifasciatus Bloch, 1792
(Junior synonym)
Coracinus unimaculata Meuschen, 1781
(Ambiguous synonym)
Lutjanus jourdin Lacepede, 1802
(Junior synonym)
Paramphiprion hainanensis Wang, 1941
(Junior synonym)
Perca polymna Linnaeus, 1758
(Senior synonym)
Amphiprion bifasciatus Bleeker, 1852
Amphiprion bifasciatus Gunther, 1862
Prochilus bifasciatus Bleeker, 1877
Amphiprion bifasciatus Day, 1877
Prochilus trifasciatus Bleeker, 1878
Amphiprion bifasciatus Sauvage, 1891
Amphiprion polymnus Lohnberg, 1896
Amphiprion intermedius Jatzow and Lenz, 1899
Amphiprion intermedius Horst, 1902
Amphiprion bifasciatus Montalban, 1927
Amphiprion unimaculatus Whitely, 1929
Amphiprion unimaculatus McCulloch, 1929
Amphiprion bifasciatus annamensis Chevey, 1932
Amphiprion polynemus (Linnaeus, 1758)

Common Name (s)
• White Tipped Anemonefish (English)
• Saddleback Anemonefish (English)
• Brownsaddle Clownfish (English)
• Saddle Back Anemonefish (English)
• Anemone Fish (English)
• Demsel Fish (English)
Economic Importance and Threats
Importance:  Commercial
Cultured:  Yes

Habitat:  Reef Associated
Trophic Level:  Secondary Consumer
Prey:  Plants, benthic algae/weeds, zooplankton, other planktonic invertebrates


• Andaman and Nicobar Islands, Car Nicobar INDIA (Record: 2000-2005)
• Andaman and Nicobar Islands, Campbell Bay INDIA (Record: 2000-2005)
• Andaman and Nicobar Islands, Andamans INDIA
• Andaman and Nicobar Islands INDIA
• Gujarat INDIA

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
  • UNEP World Conservation Monitoring Centre Available at -
  • Rao, DV and Devi, K (2004) A pictorial guide to butterfly and anemone fishes of Andaman and Nicobar Islands 76 pp Available at - NCL, Pune
  • Allen, GR and Mohammed, A (2003) Coral Reef Fishes of Indonesia Zoological Studies 42(1) 26299 Available at - Digital Information Resource Center, Pune.
  • Rodney, J (1985) Population fluctuations in some ornamental fishes and invertebrates off Sri Lanka Proceedings of the symposium on endangered marine animals and marine parks Marine Biological Association of India, Cochin 1 355-366 Available at - NIO, Goa
  • 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 -
  • Madhu, R and Madhu, K (2007) Occurrence of anemonefishes and host sea anemones in Andaman and Nicobar Islands Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 49(2) 118-126 Available at - NIO, Goa
  • Beaufort, LF (1940) The fishes of the Indo-Australian Archipelago A. J. Reprints agency, Karol Bagh, New Delhi 8 508 pp Available at - NIO, Goa
  • Talwar, PK (1990) Fishes of Andaman and Nicobar Islands: A synoptic survey Journal of the Andaman Science Association Andaman Science Association, Port Blair 6(2) 71-102 Available at - NIO,Goa
  • Dholakia, AD (2004) Marine resources Fisheries and aquatic resources of India Daya publishing house 271-303 Available at - NIO, Goa

Page last updated on:2011-10-27

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