أشلاق (القروش و الشفانين) (sharks and rays) >
Squaliformes (Sleeper and dogfish sharks) >
Etmopteridae (Lantern sharks)
Etymology: Etmopterus: Greek, ethmos, -ou = sieve or ethmoides bone + Greek, pteron = wing, fin (Ref. 45335); lii: Named after Mr. Yong-Tai Li, the captain of the fishing vessel Xin Yong Tai.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري; نطاق العمق ? - 500 m (Ref. 130841). Tropical
Western Pacific: northern South China Sea.
الحجم / وزن / العمر
Maturity: Lm ?  range ? - ? cm
Max length : 34.1 cm TL ذكر/ مختلط الجنس; (Ref. 130841); 38.1 cm TL (female)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
فقرات: 72 - 84. This medium-sized species is distinguishedd from its congeners except E. sheikoi, by the following characters: with flat and frustum-shaped denticles, elongated anterior and posterior lateral flank markings, and lower jaw with multicuspid teeth in mature males; differs from E. sheikoi by having a much narrower posterior flank marking, the shape and position of the caudal base marking, length of posterior caudal marking, the relatively larger gill slits, and the relatively more monospondylous, precaudal and total centra. May be confused with E. bigelowi, E, pusillus all three with frustum-shaped dermal denticles (Ref. 130841).
Smallest mature male examined is 32.5 cm TL. The largest female examined with developing ovaries and uterus (representing a maturing stage), suggesting that mature females apparently attain sizes larger than 40.0 cm TL. Some specimens have whole lanternfishes (family Myctophidae) inside their stomachs, as observed under X-radiographs (Ref. 130841).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Ng, S.-L., K.-M. Liu and S.-J. Joung, 2024. Description of a new lanternshark species from the South China Sea, with additional description of Etmopterus sheikoi from Taiwanese waters (Squaliformes: Etmopteridae). Raffles Bulletin of Zoology 72:26-41. (Ref. 130841)
IUCN Red List Status (Ref. 130435: Version 2024-2)
استخدامات بشرية
مصائد: غير ذات اهمية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [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).
مستوى غذائي (Ref.
69278): 4.1 ±0.5 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (28 of 100).