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); dianthus: From the pinkish upper body coloration..
More on authors: Last, Burgess & Séret.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري; نطاق العمق 108 - 880 m (Ref. 106604). Deep-water
Western Pacific: Australia and New Caledonia.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 40.9 cm TL ذكر/ مختلط الجنس; (Ref. 45056); 40.8 cm TL (female)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
فقرات: 79 - 85. Body soft fusiform, stout, subcylindrical. Dorsal and ventral coloration moderately contrasted; upper surface pinkish before preservation. Head relatively short (usually < 21% TL). Mouth broad, subequal to eye length. Eyes narrow; upper eyelid without pale naked patch. First dorsal fin well behind rear tip of pectoral fin. Caudal peduncle short (ca 1.6-2 times greatest horizontal length of D1 including spine, <1/6 of TL). Denticles minute, bristle-like, mostly randomly arranged. Flank-marking with posterior branch truncate; anterior part of caudal base marking not extended anteriorly; central caudal marking absent. Monospondylous centra 40-43 (Ref. 45056).
Ovoviviparous (Ref. 205). Minimum depth reported taken from Ref. 86942.
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
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)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
مصائد: غير ذات اهمية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 12.9 - 19.4, mean 15.7 °C (based on 32 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00191 - 0.00758), 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): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (31 of 100).
