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Etmopteridae (Lantern sharks)
Etymology: Etmopterus: Greek, ethmos, -ou = sieve or ethmoides bone + Greek, pteron = wing, fin (Ref. 45335); caudistigmus: Name refers to the presence of an oval-shaped caudal-fin marking.
More on authors: Last, Burgess & Séret.
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
بوم شناسي
دريايي pelagic-oceanic; تغييرات عمق 638 - 793 m (Ref. 45056). Deep-water
Western Central Pacific: New Caledonia.
اندازه / وزن / سن
بلوغ: Lm ? range ? - ? cm
Max length : 31.4 cm TL جنس نر / بدون خواص جنسي; (Ref. 45056); 33.9 cm TL (female)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
Body moderately firm, slightly compressed body. Dorsal and ventral coloration dark; fins dark distally. Caudal peduncle rather elongate (ca 2.2 times greatest horizontal length of D1 including spine, about 1/5 TL). Mouth relatively broad, 1.4 times eye length. Upper eyelid with pale naked patch. Denticles short, robust, arranged in regular rows. Flank-marking posterior branch truncate and merging ventrally with post-pelvic marking. Anterior part of caudal base marking very broad, enveloping ventral surface and extending to flanks; central caudal oval, well separated from caudal base marking; upper caudal marking straight . Monospondylous centra 40 (Ref. 45056).
Body shape (shape guide): elongated; Cross section: compressed.
Ovoviviparous (Ref. 205).
چرخه زندگی و رفتار جفتگیری
بلوغ | تولید مثل | تخم ریزی | تخم ها | باروری | توزاد ( لارو)
Ovoviviparous, distinct pairing with embrace (Ref. 205).
Last, P., G.H. Burgess and B. Séret, 2002. Description of six new species of lantern-sharks of the genus Etmopterus (Squaloidea: Etmopteridae) from the Australasian region. Cybium 26(3):203-223. (Ref. 45056)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-2 (Global))
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: از بی علاقه گی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
تخمینها بر اساس مدلها
دمای ترجیحی (مرجع
123201): 2.2 - 3.5, mean 2.6 °C (based on 858 cells).
شاخص تنوع فیلوژنتیکی (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00200 - 0.00755), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
سطح تروفیک (مرجع
69278): 4.1 ±0.5 se; based on size and trophs of closest relatives
جهندگی (مرجع
120179): پايين ، كم, كمينه زمان لازم براي دو برابر شدن جمعيت 5/4 – 14 سال (Fec assumed to be <100).
آسیبپذیری ماهیگیری (Ref.
59153): Low vulnerability (24 of 100).
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