分类 / Names
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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); castelnaui: Named for the French diplomat and ichthyologist Francis-Louis de Castelnau (1812-1880).
Eponymy: Francis(co) Louis Nompar de Caumont, Comte de Laporte de Castelnau (1810–1880) was a career diplomat and naturalist who was born in London, studied natural science in Paris, and then led a French scientific expedition to study the lakes of Canada, [...] (Ref. 128868), visit book page.
More on author: Bleeker.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的; 深度上下限 20 - 100 m (Ref. 559). 熱帶
Indo-West Pacific: eastern Australia to the Ryukyus, Taiwan, Philippines, Malaysia, and Indonesia.
印度-西太平洋: 廣泛分佈包括琉球群島，南中國海與印尼。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 25.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 559)
背棘 (总数) : 11; 背的软条 (总数) : 14; 臀棘: 3; 臀鳍软条: 14; 脊椎骨: 28. This species is distinguished by the following characters: elongated supramaxilla and posterior end of maxilla produced as a thin flexible lamina; upper jaw's inner lining and adjacent membranes with one or two conspicuous black stripes; dorsal half of dorsal fin usually dark except for narrow pale margin, remainder of fin pale and often with 8 or 9 evenly spaced dark blotches that extend onto basal fourth to third of fin and slightly onto dorsum; D XI,14; body with about 90-11 0 oblique scale rows; total gill rakers 28-35 (Ref. 81517).
Inhabits open sand and rubble substrates in about 20-25 meters (Ref. 48637). May be found in depths greater than 100 m (Ref. 559). Mouthbrooders (Ref. 240).
在大约 20-25 公尺中栖息于开放的沙子与碎石底部。 (参考文献 48637) 可能被发现于深度大于 100 公尺。 (参考文献 559) 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).印度-西太平洋: 廣泛分佈包括琉球群島，南中國海與印尼。
Smith-Vaniz, W.F., 2023. Review of Indo-West Pacific jawfishes (Opistognathus: Opistognathidae), with descriptions of 18 new species. Zootaxa 5252(1):1-180. (Ref. 128653)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
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Estimates based on models
Preferred temperature (Ref.
123201): 24.1 - 28.5, mean 27.5 °C (based on 554 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): 3.7 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).
![Image of Opistognathus castelnaui (Castelnau\](/images/thumbnails/jpg/tn_Opcas_u0.jpg "Image of Opistognathus castelnaui (Castelnau\")
