分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Nezumia: A Japanese word that means "mouse"; aspidentata: From the Latin asper, rough and dentatus, toothed, in reference to the prominent cardiform band of teeth in the jaws.
More on authors: Iwamoto & Merrett.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海底的; 深度上下限 ? - 720 m (Ref. 35908). 深水域
Western Central Pacific: known from a single specimen taken off the Chesterfield and Bellona Plateau.
中西太平洋: 佔據外海的赤斯特菲與司戰的女神高地的只有一個標本。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 20.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 35908)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 2. Height first dorsal greater than head length. Underside of snout, suborbital and all of mandibular rami naked; prominent open pores on lower jaws and ventral margin of suborbital region. Spinules on body scales needlelike, in subparallel to convergent rows; about 38 lateral line scales over distance equal to predorsal length. Snout conical, bluntly pointed, about 34% of HL. Mouth small, upper jaw 26% of HL. Teeth in notably broad, short, cardiform bands in both jaws. No dark band encircling trunk; first dorsal fin dusky overall. Anterior dermal window of light organ between pelvic bases, in advance of insertions. Barbel small, more than 3 into orbit, about 6% of HL; preoral length 28%; postorbital length 38%; orb.-preop. 30%.
高度第一背鳍大于头长。 吻部下面, 眶下骨与所有颚的分支裸露的; 在下颚与眶下区域的下缘上的突出的开放孔。 在身体鳞片上的小刺针状的, 在平行于趋集于一点的列; 在距离上的大约 38个侧线鳞片等于前背的长度。 吻锥形，顿尖的，和大约 34% 的 HL。 嘴小的, 上颌 26% 的 HL。 齿在特别地宽的, 短, 双颚内的钢丝刷状齿条纹。 没有深色条纹围网躯干; 第一背鳍暗色的整体。 在腹鳍基底之间的发光器的前面皮窗, 在嵌入前面。 触须小的, 超过 3 进入眼窝之内, 大约 6% 的 HL; 口前长度 28%; 眼眶后的长度 38%; 眼窝-preop。 30%.
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
中西太平洋: 佔據外海的赤斯特菲與司戰的女神高地的只有一個標本。
Iwamoto, T. and N.R. Merrett, 1997. Pisces Gadiformes: Taxonomy of grenadiers of the New Caledonian region, southwest Pacific. Mem. Mus. Natl. Hist. Nat. (176):473-570. (Ref. 35908)
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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00214 (0.00109 - 0.00421), b=3.20 (3.03 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.3 ±0.1 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
