分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Ovalentaria/misc (Various families in series Ovalentaria)
鱸形目 (Various families in series Ovalentaria) >
Opistognathidae (Jawfishes)
後頜魚科 (Jawfishes)
Etymology: Opistognathus: Greek, opisthe = behind + Greek, gnathos = jaw (Ref. 45335); to the very elongate upper jaw of the type species of the genus, Opistognathus nigromarginatus (Ref. 128653).
Eponymy: Dr Carter Rowell Gilbert (1930-2022) was an American zoologist and ichthyologist. [...] (Ref. 128868), visit book page.
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
海洋 礁區魚類, usually 33 - ? m (Ref. 51183). 熱帶
Western Central Atlantic: Bahamas, islands and reefs of the western Caribbean Sea, Jamaica, and Puerto Rico.
中西大西洋: 加勒比海西部海洋，牙買加與波多黎各的巴哈馬，島與礁。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 6.4 cm SL 雄魚/尚未辨別雌雄; (Ref. 5521)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 11; 背的軟條 (總數) : 12 - 14; 臀棘: 2; 臀鰭軟條: 13 - 14. Females gray, shading to whitish ventrally on head and abdomen, with a median yellow stripe in dorsal and anal fins, and a large area of yellow in caudal fin. Males head and body reddish gray, darkening posteriorly to black, except abdomen which is whitish; caudal fin black except for a wedge-shaped white marking dorsally and ventrally at fin base; dorsal and anal fins white, the dorsal with a round black spot between fifth and sixth dorsal spines (Ref. 13442).
Body shape (shape guide): elongated.
雌性灰色, 顏色變化成微白色的腹地在頭部與腹部上, 在尾鰭的背鰭與臀鰭 , 與一個黃色的大區域中具有一個中央的黃色斑紋。 雄性頭部與身體淡紅的灰色, 顏色較深在後部到黑色, 除了腹部以外是微白色的; 尾鰭黑色在鰭的基底背面而且腹地除了一個楔形的白色斑紋; 背鰭與臀鰭白色 , 背部具有一個在第五的與第六個背棘之間的圓黑色的斑點.(參考文獻 13442)
Inhabit steep slopes at the edges of banks (Ref. 5521). Mouthbrooders (Ref. 240).
在淺堆的邊緣棲息於陡坡。 (參考文獻 5521) 口孵魚.(參考文獻 240)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Employ mouthbrooding to care for their young (Ref. 240).中西大西洋: 加勒比海西部海洋，牙買加與波多黎各的巴哈馬，島與礁。
Böhlke, J.E. and C.C.G. Chaplin, 1993. Fishes of the Bahamas and adjacent tropical waters. 2nd edition. University of Texas Press, Austin. (Ref. 5521)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 23 August 2012
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基於模型的估計
系統發育多樣性指數 (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (參考文獻
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
釣魚的脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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