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); brasiliensis: Named after Brazil, along whose coast this species appears to be endemic (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 15 - 69 m (Ref. 129348). 亞熱帶的
Southwest Atlantic: Brazil.
西南大西洋: 已知只來自巴西南部了。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 12.9 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) : 11; 背的软条 (总数) : 16; 臀棘: 3; 臀鳍软条: 15 - 16; 脊椎骨: 28. Anterior nostril a short tube with 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 a very narrow white ring; dorsal fin with 5 or 6 dusky bands that extend onto dorsum; adult males with inner lining of maxilla and adjacent membranes with 2 dark stripes, one stripe in females; pectoral fin uniformly pigmented, no black speckles proximally; buccal pigmentation consisting of a dark area widely surrounding esophageal opening except for a pale area posteriorly that continues between upper pharyngeal tooth patches; caudal vertebrae 8 (Ref. 26893).
前鼻孔短的管在后缘上有单一卷须; 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; 被一个非常狭窄白色的环环绕的刺状的背鳍有黑色斑点; 背鳍有在背面之上延伸的 5 或 6条暗色的条纹; 雄性成鱼有颚骨的内部衬里，而且毗连的薄膜有两个深色的斑纹, 在雌性中的一条斑纹; 胸鳍均匀地有颜色, 近端地没有黑色的小斑点; 广泛地围住食道的开口包含一个深色的区域口颜色在后部地除了一个灰白的区域以在上面的咽牙齿区块之间继续; 尾部的脊椎骨 8.(参考文献 26893)
Founf on bottoms with gravel and sand or on silt and sand bottoms, near coral reefs and rocky areas (Ref. 129348). Mouthbrooders (Ref. 240).
口孵鱼.(参考文献 240)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Employ mouthbrooding to care for their young (Ref. 240).西南大西洋: 已知只來自巴西南部了。
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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Estimates based on models
Preferred temperature (Ref.
123201): 20.2 - 23.1, mean 21.7 °C (based on 5 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): 3.5 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
