Gosliner & Johnson, 1994
Western Pacific - Papua New Guinea, Marshall Ids, Okinawa, Philippines, Hong Kong.
Tan Tsui, Mirs Bay, Hong Kong, 10 Apr 1983. Photo: B.E. Picton.
Ovoid reddish-brown to black body, with small opaque white spots scattered over the mantle and basal parts of the gills. Upper two-thirds of the rhinophore clubs are opaque white, the rest being the same colour as the mantle. Grows to approx 1cm long.
• Gosliner, T. M. & Johnson, S. (1994) Review of the genus Hallaxa (Nudibranchia: Actinocyclidae) with descriptions of nine new species. The Veliger, 37(2): 155-191.
Rudman, W.B., 2002 (May 6) Hallaxa iju Gosliner & Johnson, 1994. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/halliju