التصنيف / Names
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Siluriformes (Catfishes) >
Bagridae (Bagrid catfishes)
Etymology: Tachysurus: Greek, tachys, -eia, y = quick + Greek, oura = tail (Ref. 45335); lani: Named for JiJia-Hu Lan, a parataxonomist who collected the type specimen.
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة القاع. Temperate
Asia: China.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 18.0 cm SL ذكر/ مختلط الجنس; (Ref. 132061)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشعة الظهرية الناعمة (المجموع) : 7; فقرات: 50 - 51. This species is distinguished by the following characters: anterior edge of the pectoral-fin spine smooth; posterior margin of the dorsal-fin spine slightly serrated; short maxillary barbels not extending to the base of the pectoral-fin spine; caudal fin emarginate, truncate or rounded; a narrow interspace between the supraoccipital process and nuchal plate, less than half of the supraoccipital process; along distal edge of the caudal fin, a broad white mark; caudal peduncle stout, its length/depth 1.3-2.3, mean 1.9); pelvic fins inserted nearly equidistant between the snout tip and the caudal-fin base or slightly positioned backwards with the pre-pelvic length 48.8-56.9, mean 51.8 % of SL; anterior portion of the basipterygium is bifurcated with the notch less than half the length of the anterior portion, and the two forward processes (anterolateral and antermedial) are equal in length, while the posterior portion presents a weakly developed anteromedial process (Ref. 132061).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Cheng, J.-L., W.-H. Shao, J.A. López and E. Zhang, 2021. Tachysurus lani, a new catfish species from the Pearl River basin, South China. Ichthyol. Explor. Freshwat. 30(4):299-315.
[First published online, pp. 1-17, 24 June 2021.] (Ref. 132061)
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 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
مستوى غذائي (Ref.
69278): 3.6 ±0.4 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 vulnerability (12 of 100).
