Adults square measure terribly dark brown, nearly black with 3 white bars. The snout and breast square measure orange. The tail fin is achromatic or dark brown and also the anal fin is also achromatic or orange-yellow. they need ten dorsal spines, a pair of anal spines, 16-17 dorsal soft rays and 13-14 anal soft rays.They reach a most length of fourteen cm (5 1⁄2 in).
Color variations
Fish that square measure typically achromatic aside from the 3 white bars square measure related to the host anemone Stichodactyla mertensii, Mertens' carpet actinozoan.
Similar species
The Seychelles anemonefish, A. fuscocaudatus, is distinguished by location, the quantity of dorsal spines and also the solid dark tail of A. chrysogaster compared with dark streaks on the tail of A. fuscocaudatus. A. tricinctus (Three-band anemonefish) is additionally distinguished by location, being found solely within the Marshall Islands within the Pacific and includes a narrower bar across the tail base than A. chrysogaste
