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Perciformes/Cottoidei (Sculpins) >
Liparidae (Snailfishes)
Etymology: Psednos: Greek, psednos, -e, -on = rare (Ref. 45335); andriashevi: Named for Anatole P. Andriashev, who made the definitive morphologic study of genus Psednos (Ref. 42989).
Eponymy: Professor Dr Anatoly Petrovich Andriyashev (1910–2009) was a Russian marine biologist. [...] (Ref. 128868), visit book page.
More on author: Chernova.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
دريايي ناحیه ای از منطقه اقیانوسی با عمق بین 1000 تا 4000 متر. موجوداتی که در آبهای آزاد بین اعماق 1000 تا 4000 متر زندگی و تغذیه می کنند; تغييرات عمق ? - 800 m (Ref. 42989). Deep-water
Northeast Atlantic: west of Ireland. High Seas only.
Size / Weight / سن
Maturity: Lm ?  range ? - ? cm
Max length : 5.3 cm SL جنس نر / بدون خواص جنسي; (Ref. 42989)
شعاع نرم باله پشتي (کل) : 42; مهره ها: 47. No coronal pore, 7 preoperculo-mandibular pores. Head large (27% SL), and very compressed (40% HL); gill slit large (1.3 eye diameter), opercular flap long, wing-like, reaching behind midpectoral length and level with pupil. Pectoral fin short (45% HL), with two notch rays.
Known only from the holotype collected from midwater (Ref. 42989). Minimum depth from Ref. 58018.
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
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)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2024-2)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
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).
Trophic level (Ref.
69278): 3.3 ±0.6 se; based on size and trophs of closest relatives
جهندگی (Ref.
120179): زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).