分類 / Names
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Saccopharyngiformes (Swallowers and gulpers) >
Monognathidae (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.
Eponymy: Dr Kenneth L Smith Jr. [...] (Ref. 128868), visit book page.
More on authors: Bertelsen & Nielsen.
Environment: milieu / climate zone / depth range / distribution range
生態学
海 深海浮遊性; 深さの範囲 4201 - 5800 m (Ref. 34506). Deep-water; 31°N - , 159°W -
North Pacific: Central North Pacific gyre. High Seas only.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 7.2 cm TL オス/雌雄の選別がない; (Ref. 34506)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 75 - 102; 臀鰭: 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).
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).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Bertelsen, E. and J.G. Nielsen, 1987. The deep sea eel family Monognathidae (Pisces, Anguilliformes). Steenstrupia 13(4):141-198. (Ref. 34506)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-1)
Human uses
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