分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gadiformes (Cods) >
Gaidropsaridae (Rocklings)
Etymology: Gaidropsarus: Greek, ga, ge = the earth + Greek, ydro = water + Greek psaros = speckled, starling (Ref. 45335); pakhorukovi: Named for N.P. Pakhorukov.
Eponymy: N P Pakhorukov is a Ukrainian ichthyologist at the Institute of the Biology of Southern Seas, National Academy of Sciences of the Ukraine, Sevastopol, Crimea. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海底的; 深度上下限 670 - 690 m (Ref. 41608). 深水域
Southwest Atlantic: Rio Grande Seamount (High Seas only).
西南大西洋: Rio Grande 上升。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 30.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 41608); 28.8 cm SL (female)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 61; 臀鳍软条: 50 - 51; 脊椎骨: 46 - 47. Color uniform, brownish gray, darker dorsally; fins gray. Anterior ray of first dorsal fin smaller than eye diameter. Eyes small, less than 0.20 times HL. Gill rakers tuberculiform. Predorsal length relatively large, 24.4% SL. Lateral line with 8-7 distinct segments until the bend, with 3-4 in the bend and up to 9 sparsely arranged segments in the middle of the body. Head with 4 pores in the supraorbital canal, 12 in the infraorbital canal and 13 in the preoperculomandibular canal. Head large; 2nd dorsal and anal fins relatively short; pectorals long. Teeth are small, pointed, larger ones caniniform. Mouth relatively small, not reaching to below posterior edge of eye (Ref. 41608).
颜色一致的，灰褐色，和比较深色的背面; 鳍灰色。 比眼直径小的第一背鳍的前面鳍条。 眼小的, 少于 0.20 倍 HL。 鳃耙 tuberculiform。 前背的长度相当大的,24.4% SL。 直到弯曲侧线有 8-7个明显的片段, 在弯曲中有三至四个稀疏地并且向上到 9 在身体的中央中安排片段。 在眶上管中头部有 4个孔,12 在眶下管与 13 在前鳃颚管。 头部大的; 第二背鳍与臀鳍鳍相当短的; 胸鳍长的。 齿是小的，尖的，和比较大的一些 caniniform 。 嘴相当小的, 在眼的后缘之下不延伸到.(参考文献 41608)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
西南大西洋: Rio Grande 上升。
Shcherbachev, Y.N., 1995. New species of rockling Gaidropsarus pakhorukovi (Gadidae), from the Rio Grande Rise (Southwest Atlantic). J. Ichthyol. 35(8):233-235. (Ref. 41608)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00205 - 0.01068), b=3.08 (2.89 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.5 ±0.3 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).
