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Teleostei >
Perciformes/Notothenioidei (Icefishes) >
Bathydraconidae (Antarctic dragonfishes) > Bathydraconinae
Etymology: Parachaenichthys: Greek, para = the side of + Greek, chaino = open the mouth (Ref. 45335).
Eponymy: Jean-Baptiste Auguste Étienne Charcot (1867–1936) was a French scientist, physician, sportsman and leader of the French Antarctic Expedition (1904–1907). [...] (Ref. 128868), visit book page.
More on author: Vaillant.
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 5 - 400 m. 極; 60°S - 69°S
Southern Ocean: South Orkney, South Shetland, Elephant Islands and tip of Antarctic Peninsula to 65°S.
南極海: 對 65個 ° S. 的南極半島的奧克尼群島南方部,雪特蘭群島南方部,象島與頂端
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 42.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 5192)
Yolk larvae (2.3-3.2 cm TL) found from late October to early December; small juveniles from mid-January to mid-March, thus hatching may occur in late winter. Feeds on fish (Ref. 5192).
卵黄仔鱼 (2.3-3.2 公分TL) 从迟的十月到十二月初发现; 小的稚鱼来自一月中旬到三月中, 如此孵化可能出现在冬季末。 吃鱼。 (参考文献 5192)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南極海: 對 65個 ° S. 的南極半島的奧克尼群島南方部,雪特蘭群島南方部,象島與頂端
Gon, O., 1990. Bathydraconidae. p. 364-380. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. 462 p. (Ref. 5192)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
渔业: 没有兴趣
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特别资料
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基于模型的估算
系统发育多样性指数 (参考文献 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00214 (0.00128 - 0.00356), b=3.21 (3.06 - 3.36), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
营养阶层 (参考文献 69278) |
4.2 ±0.7 se; based on diet studies. |
回复力 (参考文献 120179) |
中等的, 族群倍增时间最少 1.4 - 4.4年 (Assuming Fec < 10,000). |
渔业脆弱性 (Ref. 59153) |
High vulnerability (63 of 100). 🛈 |