分類 / Names
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Perciformes/Cottoidei (Sculpins) >
Liparidae (Snailfishes)
Etymology: Psednos: Greek, psednos, -e, -on = rare (Ref. 45335); gelatinosus: The name gelatinosus refers to the great development of subcutaneous gelatinous tissue in this species (Ref. 42989).
More on author: Chernova.
Environment: milieu / climate zone / depth range / distribution range
生態学
海 深海浮遊性; 深さの範囲 0 - 650 m (Ref. 42989). Deep-water
Northeast Atlantic: off southeast Greenland.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 6.5 cm TL オス/雌雄の選別がない; (Ref. 42989)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 38; 臀鰭: 35. No coronal pore, 6 preoperculo-mandibular and 2 suprabranchial pores; head large (29% SL), eye small (17.4% HL), mouth slightly oblique and short (cleft reaching below anterior margin of eye); dorsal and anal fins overlap 2/3 of caudal fin; body greatly gelatinous; color pale with dark margins near middle of dorsal and anal fins.
Collected from midwater (Ref. 42989). Reported maximum length of 3 cm SL based on a juvenile specimen (Ref. 42989). Preliminary maximum length assumed as 6.5 cm TL.
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
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)
Human uses
用具
特記事項
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): -0.6 - 3.3, mean 0.6 °C (based on 139 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).
栄養段階 (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (Fecundity assumed < 1000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
