分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gadiformes (Cods)
鱈形目 (Cods) >
Macrouridae (Grenadiers or rattails)
鼠尾鱈科 (Grenadiers or rattails)
Etymology: Malacocephalus: Greek, malakos = soft + Greek, kephale = head (Ref. 45335); boretzi: Named for L.A. Borets (TINRO) (Ref. 33732).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 底中水層性; 深度上下限 270 - 290 m (Ref. 40966). 深水域
Northwest Pacific (Ref. 40966) and Northeast Pacific (Ref. 58302).
西北太平洋。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 47.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 33732)
簡短描述
型態特徵 | 形態測量圖
背棘 (總數): 2; 背的軟條 (總數): 9-11; 臀鰭軟條: 17 - 20. Pectoral fin long. Teeth small, conical, numerous, with fang-shaped teeth on dentary. Luminous organ a small roundish anterior leathery lens, located in a deep pit . Few rows of scales separated from periproct and scale covered skin within the limits of periproct which is not separated from the latter by processes. Luminous gland with about 10 muscular cords located on its dorsal surface. Abdominal vertebrae 12-13 (Ref. 33732).
胸鰭長的。 齒小的﹐錐形﹐和很多的, 藉由尖牙-形狀的牙齒在齒骨。 發光的器官一個小的圓前面的似皮革的晶狀體, 位於了一個深的凹洞。 少數列的鱗片與肛門周圍分開了，而且鱗片涵蓋肛門周圍的限制裡面的皮膚是不與突起的後者分開。 發光的腺有大約位於它的背面上的 10個肌腱, 。 腹部的脊椎骨 12-13.(參考文獻 33732)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
西北太平洋。
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
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Estimates based on models
Preferred temperature (Ref.
123201): 5.2 - 6.5, mean 5.7 °C (based on 12 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00219 (0.00111 - 0.00431), b=3.20 (3.03 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.8 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 非常低的, 最小族群倍增時間超過14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (37 of 100).
