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: Trachonurus: Greek, trachon, -onos = roughness + Greek, oura = tail (Ref. 45335); gagates: Named in reference to the dark scale covering of the body..
More on authors: Iwamoto & McMillan.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海底的; 深度上下限 436 - 1240 m (Ref. 13675). 深水域; 15°S - 44°S
Western Pacific: Australia and New Zealand.
西太平洋: 澳洲與紐西蘭。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 47.8 cm TL 雄鱼/尚未辨别雌雄; (Ref. 13675)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 2; 背的软条 (总数) : 6 - 8. Without a grooved lateral line. Chin barbel 4-8 % of head length. Suborbital width, 13-15%; postorbital length of head 50-55%. Total gill rakers of first arch (mesial) 11-13; second arch (lateral or mesial) 10-13/10-12. Scale rows below mid-base of first dorsal 25-31; over a distance equal to predorsal length usually 35-42; and between pelvic fin base and gill cover 11-14. Mouth moderately large; lips thick and fleshy (Ref. 13675).
没有有凹槽的侧线。 下巴触须 4-8% 的头长。 眶下骨宽度,13-15%; 眼眶后的头长 50-55%. 第一鳃弓 (中央的)11-13 的总鳃耙; 第二个弓 (侧面的或中央的)10-13/10-12. 在第一背鳍 25-31 的基底中点之下的鳞片列; 在距离之上通常等于前背的长度 35-42; 而且在腹鳍基底与鳃盖 11-14 之间. 嘴普通大的; 唇厚而肉质的.(参考文献 13675)
A benthic species found on the continental slope (Ref. 75154).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
西太平洋: 澳洲與紐西蘭。
Iwamoto, T. and P. McMillan, 1997. A new grenadier , genus Trachonurus, from New Zealand and Australia (Pisces: Gadiformes: Macrouridae). Mem. Mus. Victoria 56(1):255-259. (Ref. 13675)
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Estimates based on models
Preferred temperature (Ref.
123201): 5.7 - 9, mean 7.8 °C (based on 107 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [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).
营养阶层 (Ref.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (38 of 100).
