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Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Malacocephalus: Greek, malakos = soft + Greek, kephale = head (Ref. 45335); okamurai: Named for Osamu Okamura.
Eponymy: Dr Osamu Okamura was Professor Emeritus at the Laboratory of Natural Science, Kochi University, where he was Professor of Zoology (1989). [...] (Ref. 128868), visit book page.
More on authors: Iwamoto & Arai.
Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
بحري قاعية المعيشة; نطاق العمق 229 - 411 m (Ref. 33794). Deep-water
Western Central Atlantic: northeastern coast of South America off French Guiana and Brazil.
الحجم / وزن / العمر
النضج: Lm ?  range ? - ? cm
Max length : 28.0 cm TL ذكر/ مختلط الجنس; (Ref. 33794)
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Iwamoto, T. and T. Arai, 1987. A new grenadier Malacocephalus okamurai (Pisces: Gadiformes: Macrouridae) from the Western Atlantic. Copeia 1987(1):204-208. (Ref. 33794)
IUCN Red List Status (Ref. 130435: Version 2025-1)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (مرجع
123201): 10 - 16.4, mean 13.4 °C (based on 41 cells).
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
مستوى غذائي (مرجع
69278): 3.7 ±0.4 se; based on size and trophs of closest relatives
المرونه (مرجع
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (18 of 100).
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