分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Saccopharyngiformes (Swallowers and gulpers) >
Monognathidae (Onejaws)
Etymology: Monognathus: Greek, monos = one + Greek, gnathos = jaw (Ref. 45335); ozawai: Named for Takakazu Ozawa who allowed the authors to describe the only Japanese specimen of this rare genus.
Eponymy: Dr Takakazu Ozawa is a Japanese ichthyologist at the Faculty of Fisheries, Kagoshima University. [...] (Ref. 128868), visit book page.
More on authors: Bertelsen & Nielsen.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海区的. 深水域
Northwest Pacific: Only known from the type locality south of the Ryukyu Islands.
西北太平洋: 已知只來自模式標本產地琉球群島南方。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 6.5 cm TL 雄鱼/尚未辨别雌雄; (Ref. 34506)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 96; 臀鳍软条: 66. M. ozawai differs from the other species of the genus by the following combination of characters: head short, snout blunt and short, skull length 5.5% TL, rostral fang with dorsal profile slightly convex forming an almost straight line with frontal profile of skull, dorsal fin origin above myomere number 5, anal fin origin below dorsal fin ray number 40 and pectoral fin about 1% TL.
M. ozawai 在组合特徵之后有别于本属的另一个种藉由: 头部短, 吻钝且短的,头盖骨长度 5.5% TL, 嘴的尖牙用背面轮廓些微中凸形成一几乎直线用头盖骨的前轮廓, 在 5 号 myomere 上面的背鳍起点, 臀鳍起源在背鳍 40 号鳍条与胸鳍之下大约 1% TL。
Pelagic, caught in an open ring trawl (Ref. 34506).
大洋性, 在一个开放的环状拖网捕获了。 (参考文献 34506)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
西北太平洋: 已知只來自模式標本產地琉球群島南方。
Bertelsen, E. and J.G. Nielsen, 1987. The deep sea eel family Monognathidae (Pisces, Anguilliformes). Steenstrupia 13(4):141-198. (Ref. 34506)
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=0.00102 (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).
营养阶层 (Ref.
69278): 3.1 ±0.30 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
