>
Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Mataeocephalus: Greek, maa, mataio = silliness + Greek,kepahle = head (Ref. 45335).
More on authors: Gilbert & Cramer.
Environment: milieu / climate zone / تغييرات عمق / 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; غير مهاجر; تغييرات عمق 400 - 1300 m (Ref. 75667). Deep-water; 26°N - 13°N, 166°W - 148°W (Ref. 1371)
Indo-Pacific, tropical waters: from the Indian Ocean to Sala y Gomez; north to Hawaii; south to New Caledonia.
Size / Weight / سن
بلوغ: Lm ? range ? - ? cm
Max length : 22.5 cm TL جنس نر / بدون خواص جنسي; (Ref. 95664)
خارهاي باله پشتي (کل) : 2; خارهاي باله مخرجي: 0. Snout long, sharply pointed, with a prominent, bifid, terminal scute; underside of the head almost entirely naked. Body scales with short, conical, posteriorly directed, spinules arranged in 4 to 6 parallel rows. Periproct moderate-sized, pear-shaped to oval, midway between the pelvic and anal fins; usually with a small black fossa anterior to anus.
Body shape (shape guide): elongated; Cross section: oval.
Found on the continental slope (Ref. 75154). Benthopelagic (Ref. 58302).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
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)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-1)
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: از بی علاقه گی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Preferred temperature (مرجع
123201): 3.6 - 6.8, mean 5.6 °C (based on 4 cells).
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5156 [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).
Trophic level (مرجع
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
جهندگی (مرجع
120179): متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (13 of 100).
🛈
