पर्यावरण: पर्यावरण / जलवायु क्षेत्र / गहराई सीमा / वितरण सीमा
पारिस्थितिकी
समुद्री ड़िमरसल; औशिनोड़िरोमस (Ref. 51243); गहराई सीमा 0 - 1171 m (Ref. 56504). Temperate; 68°N - 12°N, 32°W - 42°E
Eastern Atlantic: Norway and Iceland to Senegal. Also in the Mediterranean and Black Sea.
प्रथम परिपक्वता पर लंबाई / आकार / वज़न / आयु
परिपक्व अवधि: Lm 200.0  range ? - ? cm
Max length : 300 cm TL पुल्लिंग / अलिंग; (Ref. 4453); common length : 100.0 cm TL पुल्लिंग / अलिंग; (Ref. 4645); common length :150 cm TL (female); अधिकतम प्रकाशित वज़न: 110.0 kg (Ref. 35388)
संक्षिप्त वर्णन
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
Found on rocky and sandy bottoms (Ref. 12382). Depth range from 0-500 m (Ref. 4453) and from 305-1171 m in the eastern Ionian Sea (Ref. 56504). It stays near the coast when young and moves toward deeper waters upon reaching adulthood (Ref. 5377). A nocturnal (Ref. 12382) predator of fish, crustaceans, and cephalopods (Ref. 6521). Like other species of the group, it reproduces only once in its life (Ref. 5377). Sexually mature at an age of 5-15 years. Spawn in summer in the Atlantic off Portugal and in the Mediterranean. Produces 3-8 million of eggs (Ref. 35388). Marketed fresh and frozen. Eaten fried and baked (Ref. 9988).
Semelparous. (Ref. 5377). Eggs are deposited in the open sea, at depths between 2,000 and 3,000 m (Ref. 12382).
Smith, D.G., 1990. Congridae. p. 156-167. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4453)
आईयूसीएन रेड लिस्ट स्थिति (Ref. 130435: Version 2025-2 (Global))
मनुष्यों के लिए ख़तरा
Reports of ciguatera poisoning (Ref. 30911)
मानव उपयोग
मात्स्यिकी: व्यापारिक; आखेट मत्स्य: हां; जलजीवालय: सार्वजनिक लजीवालय
साधन
विशेष रिपोर्ट
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इंटरनेट स्रोत
मॉडल पर आधारित अनुमान
जातिवृति विविधता सूचकांक (संदर्भ 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00042 (0.00033 - 0.00052), b=3.28 (3.22 - 3.34), in cm total length, based on LWR estimates for this species (Ref. 93245). |
ट्रॉफिक स्तर (संदर्भ 69278) |
4.3 ±0.4 se; based on diet studies. |
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Generation time |
17.4 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
लौटाव (संदर्भ 120179) |
निम्न, न्यूनतम जनसंख्या दुगनी होने का समय 4.5 - 14 वर्ष। (K=0.06; tm=5-15 (female tm>10); Fec=3,000,000). |
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Rate of population increase |
Prior r = 0.35, 95% CL = 0.23 - 0.53, Based on 7 data-limited stock assessments. |
मछली पकड़ने की भेद्यता (Ref. 59153) |
Very high vulnerability (86 of 100). 🛈 |
जलवायु भेद्यता (Ref. 125649) |
Moderate vulnerability (38 of 100). 🛈 |
मूल्य श्रेणी (Ref. 80766) |
Medium.
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पोषक तत्व (Ref. 124155) |
Calcium = 10.9 [6.6, 19.9] mg/100g; Iron = 0.259 [0.148, 0.441] mg/100g; Protein = 18.2 [15.3, 21.1] %; Omega3 = 0.482 [0.219, 1.328] g/100g; Selenium = 39.3 [20.9, 74.7] μg/100g; VitaminA = 8.33 [2.17, 33.01] μg/100g; Zinc = 0.278 [0.200, 0.398] mg/100g (wet weight); based on nutrient studies. |