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Squaliformes (Sleeper and dogfish sharks) >
Etmopteridae (Lantern sharks)
Etymology: Etmopterus: Greek, ethmos, -ou = sieve or ethmoides bone + Greek, pteron = wing, fin (Ref. 45335); samadiae: Named for Dr. Sarah Samadi (MNHN).
Eponymy: Dr Sarah Samadi is an evolutionary biologist who is a professor at the L’Institut de Systématique, Évolution, Biodiversité, Muséum National d’Histoire Naturelle. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
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; تغييرات عمق 340 - 785 m (Ref. 116206). Tropical
Western Pacific: Papua New Guinea.
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 26.5 cm TL جنس نر / بدون خواص جنسي; (Ref. 116206); 27.7 cm TL (female)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
مهره ها: 80 - 86. This relatively small, slender, species of linear-denticled Etmopterus can be distinguished from its closest congeners within the E. lucifer clade by the following set of characters: length of its anterior flank markings slightly shorter than its posterior branch; long caudal base marking; irregular and variable number of black, horizontal, dash-like marks on sides of body; differs from E. brachyurus in having a shorter posterior caudal marking (2.8-4.4 vs. 4.2-6.1% TL), longer caudal base marking (10.6-14.1 vs. 7.0-7.8% TL), and flank marking with a slightly shorter posterior branch (9.1-11.2 vs. 11.4-12.6% TL) (Ref. 116206).
The female individual (27.7 cm TL) was found to be pregnant and the 2 males (23 cm and 26.5 cm TL) were determined to be mature (Ref. 116206).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
White, W.T., D.A. Ebert, R.R. Mana and S. Corrigan, 2017. Etmopterus samadiae n. sp., a new lanternshark (Squaliformes: Etmopteridae) from Papua New Guinea. Zootaxa 4244(3):339-354. (Ref. 116206)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2024-1)
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: از بی علاقه گی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00194 - 0.00745), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 4.0 ±0.5 se; based on size and trophs of closest relatives
جهندگی (Ref.
120179): پايين ، كم, كمينه زمان لازم براي دو برابر شدن جمعيت 5/4 – 14 سال (Preliminary low fecundity).
Fishing Vulnerability (Ref.
59153): Low vulnerability (18 of 100).
