分类 / 名称
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Teleostei >
Perciformes/Notothenioidei (Icefishes) >
Bathydraconidae (Antarctic dragonfishes) > Bathydraconinae
Etymology: Akarotaxis: Name from Greek words 'Akaros' meaning short or small and 'taxis' meaning row or line, referring to the short upper lateral line.
More on author: Waite.
环境：氛围 / 气候带 / 深度上下限 / 分布范围
生态学
海洋 深海底的; 深度上下限 103 - 1191 m (Ref. 131869), usually 370 - 600 m (Ref. 131869). 深水域; 66°S - 79°S
Southern Ocean: Antarctic continental shelf and west of Adelaide Island at the Antarctic Peninsula.
南極海: 在南極半島的大陸棚南極圈與位於阿德雷得市島西方。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 13.7 cm SL 雄鱼/尚未辨别雌雄; (Ref. 137577)
背的软条 (总数) : 31 - 33; 臀鳍软条: 27 - 28. This species is distinguished by the following set of characters: body covered with ctenoid scales; two lateral lines with about 10 tubular scales; posterodorsal end of the opercle with a small hook; branchiostegal rays 6; conical teeth small; gill rakers well-developed (Ref. 131869).
Cross section: compressed.
Spawning may take place during middle to late summer.
产卵可能在对夏末的中央的时候发生。 与所有的其他渊龙鰧科鱼类种区分了藉由上面侧线的短管状部分与那缺乏冠孔。
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: 在南極半島的大陸棚南極圈與位於阿德雷得市島西方。
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
首选温度 (参考文献
123201): -1.8 - 0.8, mean -0.8 °C (based on 568 cells).
系统发育多样性指数 (参考文献
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00224 (0.00117 - 0.00427), b=3.25 (3.08 - 3.42), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 3.5 ±0.4 se; based on size and trophs of closest relatives
回复力 (参考文献
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Fec = 200).
渔业脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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