Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري القاع; نطاق العمق 69 - 170 m (Ref. 43939). Polar
North Pacific: southeastern Bering Sea and central Aleutian Islands to northern Gulf of Alaska.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 7.4 cm TL ذكر/ مختلط الجنس; (Ref. 43939)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشواك الظهرية (المجموع) : 6 - 7; الأشعة الظهرية الناعمة (المجموع) : 10 - 11; شوكة شرجية: 0; أشعه شرجية لينه: 9 - 10. Head and body covered with tubercles smaller than pupil, some with rosettes of short spines protruding and others concealed, forming bumps. Few or no spiny tubercles on throat. First dorsal fin covered with thick skin (Ref. 43939).
Found on sand, broken shell and gravel bottoms (Ref. 43939).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Mecklenburg, C.W., T.A. Mecklenburg and L.K. Thorsteinson, 2002. Fishes of Alaska. American Fisheries Society, Bethesda, Maryland. xxxvii +1037 p. (Ref. 43939)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 3.4 - 5.7, mean 4.4 °C (based on 49 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02089 (0.00774 - 0.05639), b=3.03 (2.79 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
