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); delawarei: Named for the vessel that collected it, NOAA ship DELAWARE II..
More on authors: Chernova & Stein.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海底的; 深度上下限 10 - 1000 m (Ref. 43481). 深水域
Northwest Atlantic: Cape Cod, USA.
西北大西洋: 美國科德角。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 3.5 cm SL 雄鱼/尚未辨别雌雄; (Ref. 43481)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 36; 脊椎骨: 42. Skin uniformly gray, head beneath skin black. Coronal pore present. Skin pale, peritoneum blackish-brown, mouth and gill cavity pale. Coronal pore present. Mouth oblique at angle approximately 45° to horizontal. Gill rakers unmodified. Temporal and coronal pores very large, distinctly larger than other pores. Pectoral fin low, insertion strongly oblique, base almost horizontal, fin ray direction more ventral than posterior (Ref. 43481).
皮肤均匀灰色, 皮肤下的头部黑色。 冠孔呈现。 皮肤灰白的, 腹膜暗褐色的, 嘴与鳃腔灰白的。 冠孔呈现。 嘴斜的在突出部位上大约 45个 ° 到水平的。 鳃耙不修正。 当时的与冠孔非常大的, 明显大于其他的孔。 胸鳍低的, 嵌入极倾斜, 基底几乎水平, 鳍鳍条方向更多的腹面超过在后部的.(参考文献 43481)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
西北大西洋: 美國科德角。
Chernova, N.V. and D.L. Stein, 2002. Ten new species of Psednos (Pisces, Scorpaeniformes: Liparidae) from the Pacific and North Atlantic oceans. Copeia 2002(3):755-778. (Ref. 43481)
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Estimates based on models
Preferred temperature (Ref.
123201): 7 - 12.5, mean 10.9 °C (based on 8 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).
