Classification / Names
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ऐकटीनोप्टीरेजी (रेज़-फिन्नढ मछलियाँ) >
Perciformes (Perch-likes) >
Trichiuridae (Cutlassfishes) > Lepidopinae
Etymology: Lepidopus: Greek, lepis = scale + Greek, pous = foot (Ref. 45335).
पर्यावरण / जलवायु / सीमा
पारिस्थितिकी
; समुद्री बेनथोपिलाजिक; औशिनोड़िरोमस (Ref. 51243); गहराई सीमा 42 - 620 m (Ref. 56504), usually 100 - 300 m (Ref. 6181). Deep-water, preferred 24°C (Ref. 107945); 64°N - 49°S, 29°W - 176°W (Ref. 6181)
Eastern Atlantic: France and western Mediterranean to Senegal, including Azores, Madeira, the Canary Islands and offshore seamounts; Cape Fria, Namibia to Agulhas Bank, South Africa including northern Walvis Ridge. Southern Indian Ocean: seamounts 30 to 35°S. Southwest Pacific: Australia (New South Wales to southern West Australia) and New Zealand. Southeast Pacific: Peru. A doubtful record from Cape San Lucas, Mexico.
Length at first maturity / आकार / वज़न / Age
Maturity: Lm ?, range 92 - ? cm
Max length : 210 cm TL पुल्लिंग / अलिंग; (Ref. 36731); common length : 117 cm SL पुल्लिंग / अलिंग; (Ref. 6181); अधिकतम प्रकाशित वज़न: 8.0 kg (Ref. 6181)
पृष्ठीय सौफट रेज़ (सम्पूर्ण): 98-110; गुदा कांटा 2; ऐनल सौफट रेज़: 59 - 66; जानवरों की रीड़ का जोड़: 105 - 114. Second anal-fin spine plate-like. Pyloric caeca 20 - 29. Body uniformly silvery (Ref. 6181). Pelvic fin very small (Ref. 35388).
Occur on continental shelf, along its edge and upper slope down to 400 m (600 m in Australia), usually over sandy and muddy bottoms from 100 to 250 m (over 300 m in Australia). Depth range from 333-620 m in the eastern Ionian Sea (Ref. 56504). Migrate into midwater at night. Form schools; occasionally found inshore in upwelling of deep water when it appears at surface. Feed on crustaceans, small squid and fish (Ref. 6768). Eggs and larvae are pelagic (Ref. 6768).
Nakamura, I. and N.V. Parin, 1993. FAO Species Catalogue. Vol. 15. Snake mackerels and cutlassfishes of the world (families Gempylidae and Trichiuridae). An annotated and illustrated catalogue of the snake mackerels, snoeks, escolars, gemfishes, sackfishes, domine, oilfish, cutlassfishes,. scabbardfishes, hairtails, and frostfishes known to date. FAO Fish. Synop. 125(15):136 p. (Ref. 6181)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
मात्स्यिकी: उच्च वाणिज्य; आखेट मत्स्य: हां
अधिक जानकारी
सहयोगीयोतस्वीरेStamps, Coinsध्वनिसिगुयटिरारफ्तारतैरने के प्रकारगिल क्षेत्रOtolithsदिमागदृष्टि
साधन
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इंटरनेट स्रोत
Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00046 (0.00035 - 0.00060), b=3.06 (2.98 - 3.14), in cm Total Length, based on LWR estimates for this species (Ref.
93245).
Trophic Level (Ref.
69278): 3.8 ±0.3 se; Based on diet studies.
लौटाव (Ref.
69278): माध्यम, न्यूनतम जनसंख्या दुगनी होने का समय 1.4 - 4.4 वर्ष। (K=0.06-0.3; tmax=7).
Vulnerability (Ref.
59153): Moderate to high vulnerability (53 of 100) .