التصنيف / Names
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Notacanthiformes (Halosaurs and deep-sea spiny eels) >
Notacanthidae (Deep-sea spiny eels)
Etymology: Notacanthus: Greek, noton = back + Greek, akantha = thorn (Ref. 45335); laccadiviensis: Named for Laccadives (=Lakshadweep), an archipelago of islands in the Laccadive Sea (Central
Indian Ocean), off the coast of southwestern India.
Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
بحري قاعية التغذية و المعيشة; نطاق العمق ? - 350 m (Ref. 130909). Tropical
Western Indian Ocean: India.
الحجم / وزن / العمر
النضج: Lm ? range ? - ? cm
Max length : 16.7 cm SL ذكر/ مختلط الجنس; (Ref. 130909)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
This species is distinguished from all its congeners (except N. indicus) by the following characters: fewer anal-fin rays 92-94 (vs. 105-136), and except N. abotti and N. chemnitzi in the greater number of dorsal-fin spines 12 (vs. 5-11); differs from N. abotti, N. chemnitzii, N. indicus in having fewer pectoral-fin rays 10-11 (vs. 12-16); differs from N. abotti in the number of spines and rays on the ventral fin III-IV, 5-7 (vs. VI, 6) and number of gill rakers on the first-gill arch 3 + 7 (vs. 4 + 11); differs from N. chemnitzi in the number of spines and rays on the anal fin XX, 110 (vs. XIII-XVI, 92–94) and number of gill rakers on the first-gill arch (vs. 3 + 11-12); and from N. indicus, the only congeneric species currently known from the Indian Ocean region in the morphology of dorsal fin with spines increasing in length (vs. first 10 spines increasing in length, followed by a shorter 11th spine) (Ref. 130909).
Cross section: oval.
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Konhamkakkada, I., B. Kinattumkara, R, Raghavan and S. Sivanpillai, 2023. A new species of spiny eel of the genus Notacanthus Bloch 1788 (Notacanthiformes: Notacanthidae) from the Indian Ocean. J. Fish Biol. 103(1):113-117. (Ref. 130909)
IUCN Red List Status (Ref. 130435: Version 2025-1)
استخدامات بشرية
مصائد: غير ذات اهمية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
مستوى غذائي (مرجع
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
المرونه (مرجع
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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