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Siluriformes (Catfishes) >
Bagridae (Bagrid catfishes)
Etymology: Leiocassis: Greek, leios = smooth + Greek, kassis = similar to cinnamon (Ref. 45335); aculeata: Derived from the Latin aculeatus, meaning sharp-pointed or stinging, in reference to the large spines of this species when compared to Leiocassis micropogon.
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة القاع. Tropical
Asia: Alas River in Sumatra, Indonesia.
الحجم / وزن / العمر
Maturity: Lm ?  range ? - ? cm
Max length : 12.2 cm SL ذكر/ مختلط الجنس; (Ref. 55439)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشواك الظهرية (المجموع) : 1; الأشعة الظهرية الناعمة (المجموع) : 7; أشعه شرجية لينه: 14; فقرات: 38 - 39. Distinguished from congeners, except Leiocassis poecilopterus, in having the posterior tip of the supraoccipital process in contact with the nuchal plate. Further differs from L. micropogon in possessing a deeper body (19.8-20.8% SL vs. 10.0-18.9); and from L. poecilopterus in having a longer adipose fin (15.8-16.6% SL vs. 12.9-15.0) and longer dorsal (20.8% SL vs. 15.5-18.4) and pectoral spines (17.9-18.7 % SL vs. 14.5-17.5) (Ref. 55439).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Ng, H.H. and R.K. Hadiaty, 2005. Two new bagrid catfish (Teleostei: Bagridae) from the Alas River drainage, northern Sumatra. Ichthyol. Explor. Freshwat. 16(1):83-92. (Ref. 55439)
IUCN Red List Status (Ref. 130435: Version 2024-2)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00402 - 0.02604), b=2.95 (2.72 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.4 ±0.1 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).