分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
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); signatus: From the Latin 'signatus' meaning marked, in reference to the prominent dark scale spots (Ref. 26893).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的; 深度上下限 27 - 68 m (Ref. 26893). 熱帶
Western Central Atlantic: Nicaragua, Panama, Colombia, and Venezuela.
中西大西洋: 尼加拉瓜，巴拿馬，哥倫比亞與委內瑞拉。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 8.9 cm SL 雄鱼/尚未辨别雌雄; (Ref. 26893)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 10 - 11; 背的软条 (总数) : 16 - 17; 臀棘: 2 - 3; 臀鳍软条: 16 - 17; 脊椎骨: 29 - 30. Anterior nostril a short tube simple cirrus on posterior rim; posterior end of maxilla of adult males produced as a thin flexible lamina that usually extends beyond posterior margin of opercle; spinous dorsal fin with black spot encircled by broad whit ring; adult males with inner lining of maxilla and adjacent membranes with prominent black stripe (stripe usually absent or light brown and poorly developed in females); buccal pigmentation consisting of a large dark area widely surrounding esophageal opening, including medial area between upper pharyngeal tooth patches; caudal vertebrae 19 or 20, usually 20 (Ref. 26893).
前鼻孔短的管在后缘上的单一的卷须; 雄性成鱼的颚骨的后端延长形成通常延伸超过鳃盖的后缘的一个细的柔韧有弹性的薄板了; 被宽些微环环绕的刺状的背鳍有黑色斑点; 雄性成鱼有颚骨的内部衬里，而且毗连的薄膜有突出的黑色斑纹;(斑纹通常不存在或淡褐色与发展不良的在雌性中) 包含大的深色区域广泛周围食道的开口的口的颜色, 包括在上面的咽牙齿区块之间的中间区域; 尾部的脊椎骨 19 或 20, 通常 20.(参考文献 26893)
Known only from coastal waters (Ref. 26893).
已知只来自沿岸水域了。 (参考文献 26893)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
中西大西洋: 尼加拉瓜，巴拿馬，哥倫比亞與委內瑞拉。
Smith-Vaniz, W.F., 1997. Five new species of jawfishes (Opistognathus: Opistognathidae) from the western Atlantic ocean. Bull. Mar. Sci. 60(3):1074-1128. (Ref. 26893)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
人类利用
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特别资料
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Estimates based on models
Preferred temperature (Ref.
123201): 24.4 - 27.6, mean 26.9 °C (based on 10 cells).
Phylogenetic diversity index (Ref.
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 (Ref.
69278): 3.4 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
