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Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Malacocephalus: Greek, malakos = soft + Greek, kephale = head (Ref. 45335); boretzi: Named for L.A. Borets (TINRO) (Ref. 33732).
Eponymy: Dr Leonid A Boretz (also spelled Borets) was a Russian ichthyologist at the Pacific Scientific Research Fisheries Centre, Vladivostok. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển Sống nổi và đáy; Mức độ sâu 270 - 290 m (Ref. 40966). Deep-water
Northwest Pacific (Ref. 40966) and Northeast Pacific (Ref. 58302).
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ? range ? - ? cm
Max length : 47.0 cm TL con đực/không giới tính; (Ref. 33732)
Các tia vây lưng cứng (tổng cộng) : 2; Các vây lưng mềm (tổng cộng) : 9 - 11; Tia mềm vây hậu môn: 17 - 20. Pectoral fin long. Teeth small, conical, numerous, with fang-shaped teeth on dentary. Luminous organ a small roundish anterior leathery lens, located in a deep pit . Few rows of scales separated from periproct and scale covered skin within the limits of periproct which is not separated from the latter by processes. Luminous gland with about 10 muscular cords located on its dorsal surface. Abdominal vertebrae 12-13 (Ref. 33732).
Life cycle and mating behavior
Chín muồi sinh dục | Sự tái sinh sản | Đẻ trứng | Các trứng | Sự sinh sản | Ấu trùng
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Các công cụ
Special reports
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Các nguồn internet
Estimates based on models
Preferred temperature (Ref.
123201): 5.2 - 6.5, mean 5.7 °C (based on 12 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00214 (0.00109 - 0.00421), b=3.20 (3.03 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 3.8 ±0.4 se; based on size and trophs of closest relatives
Thích nghi nhanh (Ref.
120179): thấp, thời gian nhân đôi của chủng quần tối thiểu là 4.5 - 14 năm (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (37 of 100).
