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Teleostei >
Ovalentaria/misc (Various families in series Ovalentaria) >
Opistognathidae (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); nigromarginatus: Name from Latin 'nigro' or black and 'marginatus' meaning enclosed with a border; refers to the conspicuous inner maxillary stripe of this species.
More on author: Rüppell.
环境：氛围 / 气候带 / 深度上下限 / 分布范围
生态学
海洋 居于水底的; 深度上下限 2 - 17 m (Ref. 90102). 熱帶; 30°N - 12°S, 35°E - 100°E (Ref. 121151)
Indo-Pacific: Red Sea and eastern Africa to the South China Sea.
印度-太平洋: 紅海與非洲東部到南中國海。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 18.6 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5468)
背棘 (总数) : 11; 背的软条 (总数) : 14 - 15; 臀棘: 3; 臀鳍软条: 14 - 15. This species is distinguished by the following characters: elongate supramaxilla and posterior end of maxilla produced as a thin flexible lamina, in adults it usually extends almost to or beyond rear margin of opercle; dorsal fin with an ocellated spot between third or fourth and eighth spines; inner lining of upper jaw and adjacent membranes with a single conspicuous black stripe that touches ventral margin of maxilla for most of its length; D Xl,14 or 15 (exceptionally 15); body with about 68-95 oblique scale rows; total gill rakers 36-45, usually 39-45 (Ref. 81517).
Body shape (shape guide): elongated; Cross section: oval.
头部与身体褐色的有白色的斑点; 在第 4 与第 8根棘之间的背鳍暗色的有白色的斑点与一个黑色的眼状斑点.(参考文献 5468)
Inhabits burrows in shallow coastal waters. Also found in sand/rubble bottoms in 2-17 m (Ref 90102).
栖息于在沿岸浅水区中掘穴。
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
印度-太平洋: 紅海與非洲東部到南中國海。
Smith-Vaniz, W.F., 1986. Opisthognathidae. p. 726-727. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 5468)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
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基于模型的估算
首选温度 (参考文献
123201): 25.3 - 29.2, mean 28.5 °C (based on 2714 cells).
系统发育多样性指数 (参考文献
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).
营养阶层 (参考文献
69278): 3.4 ±0.45 se; based on food items.
渔业脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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