分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Acanthuriformes (Surgeonfishes)
鱸形目 (Surgeonfishes) >
Ephippidae (Spadefishes, batfishes and scats)
白鯧科 (Spadefishes, batfishes and scats)
Etymology: Platax: Greek, platys = flat (Ref. 45335).
More on author: Linnaeus.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 礁區魚類; 深度上下限 15 - 30 m (Ref. 48637). 熱帶; 30°N - 23°S, 105°E - 171°E
Western Pacific: Ryukyu Islands to Australia. Occurrence of this species in the Indian Ocean is doubtful.
西太平洋: 琉球群島到澳洲。 在印度洋的這種的發生是可疑的。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 45.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 9710)
背棘 (總數) : 5 - 6; 背的軟條 (總數) : 34 - 37; 臀棘: 3; 臀鰭軟條: 24 - 28. Juveniles are dark brown to black with a brilliant crimson margin around the entire fish (Ref. 1602). Adults dull silver with short fins (Ref. 1602). Body orbicular and strongly compressed, its depth more than twice length of head and 0.9 to 1.3 times in SL. Head length 2.9 to 3.8 times in SL. Large adults (above 35 cm SL) with protruding snout, the front head profile distinctly concave. Interorbital width 34 to 42% head length. Jaws with bands of slender, flattened, tricuspid teeth, the middle cusp about twice length of lateral cusps. Vomer with teeth, but none on palatines. Three or 4 pores on each side of lower jaw. Preopercle smooth. Opercle without spines (Ref 43039).
稚魚深褐色整個的魚周圍黑色的有色彩豔麗的深紅色的邊緣。 (參考文獻 1602) 成魚暗銀色的有短鰭.(參考文獻 1602) 身體球形而非常扁長形的, 它的深度超過兩次頭長與 0.9 到 1.3 標準體長比率。 頭長 2.9 到 3.8 標準體長比率。 大的成魚 (上方 35 公分 SL) 具有凸出吻，在前面的頭部輪廓明顯地凹曲。 眼間骨寬度 34 到 42% 頭長。 頜部有條紋細長的, 平的, 三尖齒, 中央的尖頭大約兩倍於側面尖頭的長度。 犛骨有齒, 但是沒有在顎骨上。 三或在下頜的兩邊上的 4個孔。 前鰓蓋骨平滑的。 鰓蓋的沒有棘 (參考文獻 43039).
Adults are generally solitary and found under overhangs of steep outer reef slopes to a depth of at least 20 m. Juveniles are encountered in mangroves and inner sheltered reefs where they seek shelter in caves or under ledges. Feeds on algae as well as jellyfish and other gelatinous zooplankton (Ref. 6113). Sometimes adults are seen in large schools travelling over open substrate (Ref. 48637).
成魚通常獨居性的而且在陡峭外礁斜坡到深度至少 20 公尺的突出部份下面發現。 稚魚在紅樹林與內部的掩蔽礁石中被見到在那裡它們找尋洞穴或岩架下的庇護所。 吃藻類以及水母與其他的凝膠狀的浮游動物.(參考文獻 6113)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
西太平洋: 琉球群島到澳洲。 在印度洋的這種的發生是可疑的。
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 15 August 2023
人類使用
漁業: 低經濟; 水族館: 商業性
工具
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