Amphiprion clarkii (Bennett, 1830)
Yellowtail clownfish
Clark's anemonefish,  Tau ng lanagan,  Bantay-bothot,  Mangkot
Amphiprion clarkii
photo by Marco Chan@114°E Hong Kong Reef Fish Survey

Family:  Pomacentridae (Damselfishes), subfamily: Pomacentrinae
Max. size:  15 cm SL (male/unsexed); max. reported age: 11 years
Environment:  reef-associated; marine; depth range 1 - 70 m, non-migratory
Distribution:  Indo-West Pacific: Persian Gulf to Western Australia, throughout the Indo-Australian Archipelago and in the western Pacific at the islands of Melanesia and Micronesia, north to Taiwan, southern Japan and the Ryukyu Islands.
Diagnosis:  Dorsal spines (total): 10-10; Dorsal soft rays (total): 15-16; Anal spines: 2-2; Anal soft rays: 13-14. Description: Highly variable in color and several geographical and localized forms (Ref. 48636). Two white bands, one behind the eye and one above the anus. Caudal fin white, sometimes yellowish, but always lighter than rest of the body (Ref. 1602). Caudal peduncle with another white bar; caudal fin white or yellow, the rest of median fins variable in color from yellow-orange to black. Body depth 1.7-2.0 in SL (Ref. 90102).
Biology:  Adults inhabit lagoons and outer reef slopes. Omnivorous. Oviparous, with elliptical eggs (Ref. 240). Monogamous (Ref. 52884). 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: Cryptodendrum adhaesivum, Entacmaea quadricolor, Heteractis aurora, Heteractis crispa, Heteractis magnifica, Heteractis malu, Macrodactyla doreensis, Stichodactyla gigantea, Stichodactyla haddoni, and Stichodactyla mertensii(Ref. 5911). Has been observed to share home anemone with individuals of A. sandaracinos (Ref. 90000). Has been reared in captivity (Ref. 35418, 35420). Maximum depth reported taken from Ref. 128797.
IUCN Red List Status: Least Concern (LC); Date assessed: 03 February 2021 Ref. (130435)
Threat to humans:  harmless
Country info:  Recorded in Tañon Strait (Ref. 107276). Known from Surigao City (Ref. 58652), San Juan, Batangas (Ref. 107854), Karitonan Reserve, Calatagan and Fuego Point and Sunset Cove, Nasugbu (Ref. 107853), Lanuza Bay (Ref. 104756), Bongo Island and Paril-Sangay Protected Seascape, Moro Gulf, Davao Gulf, Malalag Bay and Sarangani Bay (Ref. 106380), and Bantayan Is. in northern Cebu (Ref. 114734). Most common clown fish in the Philippines (Ref. 13724). Known to coexist the sea anemone Stichodactyla mertensii in the Davao Gulf (Ref. 90000). Also Ref. 7247, 48613, 53416, 121724.


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