. Annali del Museo civico di storia naturale Giacomo Doria. Natural history. A NEW SYNCHIROPUS 71 Relationships : This new species is a member of the ocel- latus-group {sensu stricto) of the genus Synchiropus. It is distinguished from S. bartelsi Fricke, 1981 (Fricke, 1981: 103-106, fig. 32, Philip- pines and Indonesia; Fricke, 1983: 583-587, fig. 176, also Bismarck Archipelago) by the preopercular spine formula of 1 instead of 2 1, the much longer preopercular spine main tip, the first dorsal fin of the male that has ocellated dark brown streaks on the first mem- brane also, and the large cir
. Annali del Museo civico di storia naturale Giacomo Doria. Natural history. A NEW SYNCHIROPUS 71 Relationships : This new species is a member of the ocel- latus-group {sensu stricto) of the genus Synchiropus. It is distinguished from S. bartelsi Fricke, 1981 (Fricke, 1981: 103-106, fig. 32, Philip- pines and Indonesia; Fricke, 1983: 583-587, fig. 176, also Bismarck Archipelago) by the preopercular spine formula of 1 instead of 2 1, the much longer preopercular spine main tip, the first dorsal fin of the male that has ocellated dark brown streaks on the first mem- brane also, and the large circular white blotches on the sides of the body. It differs from S. morrisoni Schultz, 1960 (Fricke, 1981: 98-102, fig. 132, Caroline Islands to American Samoa; Fricke, 1983: 630-635, figs. 195-196, also Miyake-jima/Japan, Marshall Islands, Fiji, and Western Australia) in the preopercular spine formula of 1, the oblique dark streaks in the first dorsal fin (not vertical), the anal fin color pat- tern, and the large circular white blotches on the sides of the body. Synchiropus circularis can be distinguished from S. ocellatus (Pallas, 1770) (Fricke, 1981: 90-97, figs. 28-29; Okinawa to Vietnam, Philip- pines, Australia and Tonga; Fricke, 1983: 635-642, fig. 197, also Miyake- jima/Japan, Marquesas Islands, Pitcairn, Marshall Islands) by the much longer main tip of the preopercular spine (main tip being larger than dorsal point), the first dorsal fin of the male with oblique dark brown bands, but without ocelli, the anal fin color pattern, and the large circular white blotches on the sides of the body. It differs from S. stel- latus Smith, 1963 (Fricke, 1981: 107-110, figs. 33-34, South Africa to Sri Lanka; Fricke, 1983: 677-681, figs. 209-210, also large male described) in having no ocelli on the first dorsal fin of the male, in a longer main tip of the preopercular spine, a circular dark brown blotch around the base of the first dorsal fin, a different anal fin color pattern, a di
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