分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | 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..
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 ? - 690 m (Ref. 41608). 深水域
Southwest Atlantic: Rio Grande Rise.
西南大西洋: Rio Grande 上升。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 30.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 41608); 28.8 cm SL (female)
簡短描述
型態特徵 | 形態測量圖
背的軟條 (總數): 61; 臀鰭軟條: 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).
顏色一致的﹐灰褐色﹐和比較深色的背面; 鰭灰色。 比眼直徑小的第一背鰭的前面鰭條。 眼小的, 少於 0.20 倍 HL。 鰓耙 tuberculiform。 前背的長度相當大的,24.4% SL。 直到彎曲側線有 8-7個明顯的片段, 在彎曲中有三至四個稀疏地並且向上到 9 在身體的中央中安排片段。 在眶上管中頭部有 4個孔,12 在眶下管與 13 在前鰓顎管。 頭部大的; 第二背鰭與臀鰭鰭相當短的; 胸鰭長的。 齒是小的﹐尖的﹐和比較大的一些 caniniform 。 嘴相當小的, 在眼的後緣之下不延伸到.(參考文獻 41608)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
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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=0.00479 (0.00208 - 0.01103), b=3.08 (2.89 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.5 ±0.3 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).
