
McCulloch's Anemonefish can be recognised by its colouration. It is dark brown to black with a whitish snout. The white bars on the cheek usually do not connect over the top of the head. The caudal peduncle and caudal fin are white.
It grows to about 12 cm in length.
The species is endemic to Australia, occurring in lagoon and inshore waters of Lord Howe Island, Middleton Reef and Elizabeth Reef, New South Wales.
It is usually found associated with the anemones Entacmaea quadricolor and Heteractis crispa at depths between 2 m and 45 m.
The species was described based on specimens collected at Lord Howe Island. The specimens are stored in the Australian Museum Fish Collection (holotype - AMS IA.1962: paratypes - AMS I.5392, AMS I.5729–30, AMS IA.1963–67).