Fig. 3.

Some large warm-affinity hydrozoans. (a, b) The subtropical Solanderia ericopsis (Carter, 1873) (a) from New Zealand predated by the nudibranch Jason mirabilis M. C. Miller, 1974 (photo curtesy of Ian Skip, http://www.ianskipworth.com and Solanderia secunda (b) from the North Sulawesi. The insets show the polynoid Medioantenna variopinta and the nudibranch Pleurolidia juliae. (c–d) Aglaophenia cupressina from the North Sulawesi; the inset shows a colony explored by razor fish. (e) Plumularia elongata from Bali: a large colony completely covered with the zoanthid Hydrozoanthus sp. 1 (inset). (f–g) Macrorhynchia spectabilis (f) and Sertularella diaphana (g) from the North Sulawesi. The insets in Fig. (g) show a pteriod bivalve and numerous amphipods respectively on the main axis and on hydrorhiza of S. diaphana