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Anguilliformes (Eels and morays) >
Nettastomatidae (Duckbill eels)
Etymology: Facciolella: Latin, diminutive of falx, falcis = sickle (Ref. 45335); smithi: Name 'smithi' in honor of the eminent eel ichthyologist David G. Smith (1942-2024) for his
enormous contribution to the taxonomy of the world’s anguilliform fishes.
Eponymy: Dr Luigi Facciolà (1851–1943) was an Italian physician and ichthyologist who was the first to recognise and describe the Witch-Eel genus (1911) but in doing so used a preoccupied name (Nettastomella). [...] (Ref. 128868), visit book page.
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
بوم شناسي
دريايي نزديك كف زي; تغييرات عمق 260 - 450 m (Ref. 138158). Tropical
Western Indian Ocean: India.
اندازه / وزن / سن
بلوغ: Lm ?  range ? - ? cm
Max length : 61.7 cm TL جنس نر / بدون خواص جنسي; (Ref. 138158)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
This species is distinguished from its congeners by the following set of characters: dorsal-fin origin slightly before gill openings; predorsal length 40.2-43.7% PAL; head large, its length 43.6-47.5% PAL; brown dorsal and white ventral coloration of thebody and head; melanophore pigments are scattered over ventral part of body; lateral-line pores before dorsal fin 13-15; lateral-line pores before gill openings 16-18; preanal lateral-line pore 47-50; SO 5, IO 9, POM 11, ST 1; predorsal vertebrae 11-13; and preanal vertebrae 46-49. (Ref. 138158).
Body shape (shape guide): eel-like; Cross section: circular.
چرخه زندگی و رفتار جفتگیری
بلوغ | تولید مثل | تخم ریزی | تخم ها | باروری | توزاد ( لارو)
Kodeeswaran, P. and T.T.A. Kumar, 2025. Facciolella smithi, a new species of deep-water nettastomatid eel (Anguilliformes: Nettastomatidae) from the Arabian Sea. Zootaxa 5653(4):563-571. (Ref. 138158)
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
شاخص تنوع فیلوژنتیکی (مرجع 82804) |
PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00089 (0.00035 - 0.00227), b=2.98 (2.77 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
سطح تروفیک (مرجع 69278) |
3.4 ±0.4 se; based on size and trophs of closest relatives |
جهندگی (مرجع 120179) |
متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (Preliminary K or Fecundity.). |
آسیبپذیری ماهیگیری (Ref. 59153) |
Low to moderate vulnerability (34 of 100). 🛈 |