分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Saccopharyngiformes (Swallowers and gulpers)
囊鰓鰻目 (Swallowers and gulpers) >
Monognathidae (Onejaws)
單頜鰻科 (Onejaws)
Etymology: Monognathus: Greek, monos = one + Greek, gnathos = jaw (Ref. 45335); smithi: Named for Kenneth Smith, chief scientist for the cruise during which the material was caught..
More on authors: Bertelsen & Nielsen.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海區的; 深度上下限 4201 - 5800 m (Ref. 34506). 深水域; 31°N - , 159°W -
North Pacific: Central North Pacific gyre. High Seas only.
北太平洋: 北太平洋中部旋迴, 大約 31 ° N,159'W.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 7.2 cm TL 雄魚/尚未辨別雌雄; (Ref. 34506)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 75 - 102; 臀鰭軟條: 55 - 63. The available specimens of M. smithi differ from all other specimens of a similar total length (6.8-7.2) within the genus by the long skull 7.0-7.6% TL and long lower jaw 11.8-12.5% TL. Furthermore, it is distinguished by the following combination of characters: head long with elongate, pointed snout slightly upturned, rostral fang strongly hooked with distal part in a nearly right angle to dorsal profile of skull, preanal 36.0-37.5% TL, and at least 7 teeth in jaw (Ref. 34506).
M. smithi 的有用標本相似本屬裡面的全長 (6.8-7.2) 藉由長的頭蓋骨 7.0-7.6% TL 與長的下頜 11.8-12.5% TL 不同於所有其他標本。 此外，它被藉著下列的組合特徵區別: 頭部長的有細長的, 尖的吻些微朝上又嘴的尖牙強烈地以末梢部的部份鉤住在一幾乎對頭蓋骨的背面輪廓,是肛門前的 36.0-37.5% TL 的直角, 而在頜中最少的 7個齒.(參考文獻 34506)
The holotypes and paratypes of M. smithi were caught in the water column in a closing net at 4200 and 5200 m, with a sounding at 5800 m (Ref. 34506).
holotypes 與 M. smithi 的副模式於在 4200 與 5200 公尺的一張結束網中的水團捕獲, 具有一個測量到的水深為 5800 公尺.(參考文獻 34506)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
北太平洋: 北太平洋中部旋迴, 大約 31 ° N,159'W.
Bertelsen, E. and J.G. Nielsen, 1987. The deep sea eel family Monognathidae (Pisces, Anguilliformes). Steenstrupia, 13(4):141-198. (Ref. 34506)
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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=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
