Amphiprion polymnus
No common name
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Perciformes (Perciformes, Also Called the Acanthopteri)
Pomacentridae (Damselfishes)
Amphiprion
Amphiprion polymnus
Description
This species account was compiled from
FishBase (Froese, R. and D. Pauly. Editors. 2025. FishBase. World Wide Web electronic publication. www.fishbase.org, version 04/2025.)
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Characters
Body shape: short and / or deep. Description: Overall orange to dark brown, head bar broad white, saddle from middle of dorsal fin to variable extent below, caudal fin black part tapering posteriorly (Ref. 90102). Some geographical variations and in PNG often with much orange ventrally (Ref. 48636). Striking features: none.
Distribution
Western Pacific: Ryukyu Islands, China, Viet Nam, Taiwan, Gulf of Thailand, Indonesia, Philippines, Australia (Northern Territory, Gulf of Carpentaria), New Guinea, New Britain, and Solomon Islands (Ref. 7247). Recorded from Singapore (Ref. 85309).
Habitat Associations
Marine. reef-associated. depth range 2-30 m. Found in: coral reefs.
Biology
Adults inhabit silty lagoons and harbors. Monogamous (Ref. 55367). A protandrous hermaphrodite (Ref. 32166). Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205). Associated with the anemones: Heteractis crispa and Stichodactyla haddoni (Ref. 5911). Has been reared in captivity (Ref. 35420, 35423).
Max length: 13.0 cm TL.
Reproductive mode: protandry; fertilization: external; mating system: monogamy; guarders (nesters); parental care: paternal. Benthic spawner. Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205). Length at sex change = 9.2 cm TL (Ref. 55367). Also Ref. 240, 7471.
IUCN Red List Status: Least Concern (LC), assessed 2010-11-16. Resilience: High (Preliminary K or Fecundity.).
Commercial or Environmental Importance
Fisheries: of no interest; aquarium: commercial.
References
Breder, C.M. and D.E. Rosen (1966) Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p.
Allen, G.R. (1991) Damselfishes of the world. Mergus Publishers, Melle, Germany. 271 p.
Masuda, H. and G.R. Allen (1993) Meeresfische der Welt - Groß-Indopazifische Region. Tetra Verlag, Herrenteich, Melle. 528 p.
Lieske, E. and R. Myers (1994) Collins Pocket Guide. Coral reef fishes. Indo-Pacific & Caribbean including the Red Sea. Haper Collins Publishers, 400 p.
Moyer, J.T. and A. Nakazono (1978) Protandrous hermaphroditism in six species of the anemonefish genus Amphiprion in Japan. Jap. J. Ichthyol. 25(2):101-106.
Allsop, D.J. and S.A. West (2003) Constant relative age and size at sex change for sequentially hermaphroditic fish. J. Evol. Biol. 16(2003):921-929.
Allen, G.R. and M.V. Erdmann (2012) Reef fishes of the East Indies. Perth, Australia: Universitiy of Hawai'i Press, Volumes I-III. Tropical Reef Research.
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