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); melanocephalus: From its dark head..
More on authors: Chernova & Stein.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 0 - 3172 m (Ref. 58018). 深水域
Northwest Atlantic: south of Greenland.
西北大西洋: 格陵蘭南方。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 4.8 cm SL (female)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 38; 臀鰭軟條: 31 - 33; 脊椎骨: 43. Coronal pore present. Opercular flap large, triangular and prominent, anus on vertical through gill opening. Gill opening reaching ventrally in front of 2-3 pectoral rays. Gill rakers unmodified. Pectoral fin rays of lower lobe equal in thickness to rays of upper pectoral fin lobe. Skin with yellowish-brown patterns; head beneath skin blackish-brown; gill arches and gill cavity brownish-black (Ref. 43481).
冠孔呈現。 鰓蓋大的﹐三角形的與突出的, 肛門垂直的之上經過鰓裂。 鰓裂腹地在 2-3個胸鰭鰭條之前達到。 鰓耙不修正。 下葉的胸鰭鰭條厚度等於上面胸鰭葉的鰭條。 皮膚有土黃色的圖案; 皮膚下的頭部暗褐色的; 鰓弓與鰓腔深褐色的.(參考文獻 43481)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
西北大西洋: 格陵蘭南方。
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): 3.3 - 4.3, mean 3.7 °C (based on 65 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).
