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Indo-Pacific: Red Sea south to Inhaca Island, Mozambique (Ref. 4392) and east to the Hawaiian (1 specimen) and Tuamoto islands, north to southern Japan, south to the southern Great Barrier Reef and Austral Islands. 印度-太平洋: 紅海南至英哈卡島, 莫三比克 (參考文獻 4392) 而且東至夏威夷 (1件標本) 與 Tuamoto 島, 北至日本南部, 南至大堡礁的南方與奧斯垂群島。
初熟時的長度 / 大小 / 重量 / 年齡
成熟度: Lm7.0 range ? - ? cm Max length : 18.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 4392)
背棘 (總數) : 9; 背的軟條 (總數) : 13 - 14; 臀棘: 3; 臀鰭軟條: 12 - 13. Juveniles are black with numerous longitudinal white streaks (Ref. 1602). Body shape (shape guide): fusiform / normal; Cross section: compressed. 稚魚是黑色的有很多的縱向白色的條紋.(參考文獻 1602)
Inhabit lagoon and seaward reefs, along the upper edges of coral-rich areas (Ref. 9710, 58534). Benthopelagic (Ref. 58302). May be solitary or found in small group (Ref. 90102). Juveniles are encountered in exposed outer reef flats (Ref. 1602). Feed on a wide variety of small invertebrates as well as fish eggs.
Pelagic spawner. Females migrate to spawning sites, larger females travel long distances to downcurrent areas than smaller ones to protect the eggs from becoming prey to larger reef fishes (Ref. 32198). Spawning sites are chosen by the females irregardless of the males occupying them (Ref. 32198). Females spawn in more than one spawning site, each site occupied by more than one male, which are either territorial or non-territorial (Ref. 32198). After spawning, they return individually to their home ranges without passing through other spawning sites (Ref. 32198). Some females on the other hand change sex after spawning (Ref. 32198). As males, they begin to establish territories in the spawning sites, even to those they visited before the sex change (Ref. 32198). This observation support the suggestion (Warner's 1985, 1986) that females stored information on spawning sites by migrating to various sites which aided in the acquisition of a mating territory after changing sex (Ref. 32198).印度-太平洋: 紅海南至英哈卡島, 莫三比克 (參考文獻 4392) 而且東至夏威夷 (1件標本) 與 Tuamoto 島, 北至日本南部, 南至大堡礁的南方與奧斯垂群島。
Randall, J.E., G.R. Allen and R.C. Steene, 1990. Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref. 2334)
