分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Perciformes/Cottoidei (Sculpins)
鮋形目 (Sculpins) >
Liparidae (Snailfishes)
獅子魚科 (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
生態學
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 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 3.4 cm SL 雄魚/尚未辨別雌雄; (Ref. 42989)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 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.
沒有冠孔， 6個前鰓蓋-顎骨的孔，小的眼 (18% HL), 鰓縫 1.6 眼直徑, 短嘴 (裂縫延伸到眼的前緣下面). 身體的尾部部份沒有顏色, 在下巴與下頜黑色上的皮膚。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
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).
營養階層 (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
