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Perciformes/Notothenioidei (Icefishes) >
Nototheniidae (Cod icefishes) > Trematominae
Etymology: Trematomus: Greek, trematos = hole + Greek, tomo = section, cut (Ref. 45335); newnesi: newnesi named after Sir George Newnes, British newspaper publisher who sponsored Borchgrevinck's Expedition of 1899 (Ref. 11892).
Eponymy: Sir George Newnes (1851–1910) was a British newspaper publisher and Liberal politician. He sponsored the Southern Cross Expedition (1898–1900) to Antarctica. (Ref. 128868), visit book page.
More on author: Boulenger.
पर्यावरण: पर्यावरण / जलवायु क्षेत्र / गहराई सीमा / वितरण सीमा
पारिस्थितिकी
समुद्री ड़िमरसल; गहराई सीमा 0 - 400 m (Ref. 11892). Polar; 60°S - 78°S
Southern Ocean: East Antarctic, Weddell Sea, West coast of Antarctic Peninsula, South Shetland Islands, Elephant Island, South Orkney Islands, Mac Robertson, George V, Queen Mary, Adelie Coasts, Davis Sea and Ross Sea.
आकार / वज़न / आयु
परिपक्व अवधि: Lm ?  range ? - ? cm
Max length : 24.5 cm TL पुल्लिंग / अलिंग; (Ref. 58849)
पृष्ठीय रीढ़ (सम्पूर्ण) : 5 - 8; पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 29 - 38; ऐनल सौफट रेज़: 29 - 36.
Body shape (shape guide): fusiform / normal.
Found in shallow near shore areas and more commonly in the intertidal zone. Adults feed mainly on amphipods, polychaetes, gastropods, isopods, copepods, and euphausiids (E. superba). Often seen feeding in the water column or at the undersurface of ice.
Dewitt, H.H., P.C. Heemstra and O. Gon, 1990. Nototheniidae. p. 279-331. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5179)
आईयूसीएन रेड लिस्ट स्थिति (Ref. 130435: Version 2025-2 (Global))
मनुष्यों के लिए ख़तरा
Harmless
मानव उपयोग
मात्स्यिकी: कोई रुचि बग़ैर
साधन
विशेष रिपोर्ट
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इंटरनेट स्रोत
मॉडल पर आधारित अनुमान
जातिवृति विविधता सूचकांक (संदर्भ 82804) |
PD50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00537 (0.00282 - 0.01024), b=3.24 (3.07 - 3.41), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
ट्रॉफिक स्तर (संदर्भ 69278) |
3.2 ±0.2 se; based on diet studies. |
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Generation time |
3.1 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
लौटाव (संदर्भ 120179) |
माध्यम, न्यूनतम जनसंख्या दुगनी होने का समय 1.4 - 4.4 वर्ष। (Fec = 2,300-12,200). |
मछली पकड़ने की भेद्यता (Ref. 59153) |
Low to moderate vulnerability (28 of 100). 🛈 |