Amphiprion polymnus (Linnaeus, 1758)
Saddleback clownfish
Amphiprion polymnus
photo by Cook, D.C.

Family:  Pomacentridae (Damselfishes), subfamily: Pomacentrinae
Max. size:  13 cm TL (male/unsexed)
Environment:  reef-associated; marine; depth range 2 - 30 m, non-migratory
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).
Diagnosis:  Dorsal spines (total): 10-11; Dorsal soft rays (total): 16-18; Anal spines: 2-2; Anal soft rays: 12-14. 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).
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).
IUCN Red List Status: Least Concern (LC); Date assessed: 16 November 2010 Ref. (130435)
Threat to humans:  harmless


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