分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Perciformes/Cottoidei (Sculpins) >
Liparidae (Snailfishes)
Etymology: Psednos: Greek, psednos, -e, -on = rare (Ref. 45335); barnardi: Named for Keppel Harcourt Barnard who first described the genus Psednos (Ref. 42989).
More on author: Chernova.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海底的; 深度上下限 750 - 1368 m (Ref. 42989). 深水域
Northwest Atlantic: near southeast slope off New England, USA.
西北大西洋: 在斜坡東南部的附近﹐外海的美國新英格蘭。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 3.4 cm SL 雄鱼/尚未辨别雌雄; (Ref. 42989)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 39 - 41; 脊椎骨: 47. No coronal pore, 6 preoperculo-mandibular pores, small eye (18% HL), gill slit 1.6 eye diameter, short mouth (cleft reaching to below anterior margin of eye). Caudal part of body unpigmented, skin on chin and lower jaw black.
没有冠孔， 6个前鳃盖-颚骨的孔，小的眼 (18% HL), 鳃缝 1.6 眼直径, 短嘴 (裂缝延伸到眼的前缘下面). 身体的尾部部份没有颜色, 在下巴与下颌黑色上的皮肤。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
西北大西洋: 在斜坡東南部的附近﹐外海的美國新英格蘭。
Chernova, N., 2001. A review of the genus Psednos (Pisces, Liparidae) with description of ten new species from the north Atlantic and southwestern Indian Ocean. Bull. Mus. Comp. Zool. 155(10):477-507. (Ref. 42989)
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Estimates based on models
Preferred temperature (Ref.
123201): 3.1 - 3.9, mean 3.6 °C (based on 5 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
