Taxonomic Remarks
This species is often confused with Nezumia aequalis (Günther, 1878).
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
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 130 - 3200 m (Ref. 3587), usually 450 - 730 m (Ref. 1371). Deep-water; 43°N - 4°N, 81°W - 36°E
Atlantic Ocean: North Atlantic south to the northern part of the Gulf of Guinea in the east, into the Mediterranean Sea, and north of Straits of Florida in the west.
طول در اولین بلوغ / اندازه / وزن / سن
بلوغ: Lm 15.0, range 13 - 17 cm
Max length : 36.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 3587)
خارهاي باله پشتي (کل) : 2; خارهاي باله مخرجي: 0. Snout short, bluntly acute; terminal scute broad, blunt; ventral surface of snout without scales posteriorly including most of suborbital, mandible mostly naked, pores prominent on head. Pyloric caeca 22 to 29. Body scales with slender, conical, slanting spinules arranged in converging rows. Color in alcohol brownish, paler on head, with violet tinge on abdomen, some silvery reflections; fins pale to blackish; first dorsal fin uniformly blackish; mouth and gill cavity mostly black.
Body shape (shape guide): elongated; Cross section: oval.
Most numerous at 450 to 730 m in the open Atlantic and at 500 to 800 m in the Mediterranean. Feeds on small crustaceans (copepods, amphipods, decapods, mysids, etc.) and polychaetes (Ref. 1371)
چرخه زندگی و رفتار جفتگیری
بلوغ | تولید مثل | تخم ریزی | تخم ها | باروری | 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 2025-2 (Global))
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: ارزش تحاري اندك
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
تخمینها بر اساس مدلها
دمای ترجیحی (مرجع
123201): 6.3 - 14, mean 12.3 °C (based on 169 cells).
شاخص تنوع فیلوژنتیکی (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00129 (0.00076 - 0.00218), b=3.13 (2.98 - 3.28), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
سطح تروفیک (مرجع
69278): 3.2 ±0.34 se; based on food items.
Generation time: 6.9 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
جهندگی (مرجع
120179): متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (K=0.10-0.16; tmax=9).
آسیبپذیری ماهیگیری (Ref.
59153): Moderate to high vulnerability (48 of 100).
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مواد مغذی (Ref.
124155): Calcium = 28.8 [7.6, 70.7] mg/100g; Iron = 0.294 [0.121, 0.874] mg/100g; Protein = 16.9 [15.0, 18.7] %; Omega3 = 0.119 [0.042, 0.315] g/100g; Selenium = 22.1 [6.4, 62.2] μg/100g; VitaminA = 31.3 [3.4, 282.7] μg/100g; Zinc = 0.713 [0.371, 1.463] mg/100g (wet weight);
