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Siluriformes (Catfishes) >
Clariidae (Airbreathing catfishes)
Etymology: Xenoclarias: Greek, xenos = strange + Latin, clarias, -a, -um = shining (Ref. 45335).
More on author: Norman.
Taxonomic Remarks
Xenoclarias holobranchus Greenwood, 1958 is considered valid in Eschmeyer (CofF ver. Jul. 2011: Ref. 87661) following Ferraris (2007: Ref. 58032). It is treated here a synonym of Xenoclarias eupogon (Norman, 1928) following Gee (1975: Ref. 104726) and Teugels (1986: Ref. 3820).
البيئة: الوسط / المنطقة المناخية / نطاق العمق / نطاق التوزيع
البيئة
; المياه العذبة القاع; نطاق العمق 10 - 79 m (Ref. 104726). Tropical; 1°N - 3°S
Africa: endemic to Lake Victoria, occuring in the deeper waters (Ref. 78218, 104723, 104726).
الحجم / وزن / العمر
النضج: Lm ?  range ? - ? cm
Max length : 20.9 cm SL ذكر/ مختلط الجنس; (Ref. 104726)
Absence of suprabranchial respiratory organs and reduction of suprabranchial chamber as adaptation to deep-water habitat (Ref. 104723, 104726). Inhabits deeper areas of Lake Victoria (10 to 79 m); mostly found over muddy bottoms, not far from steep, rocky zones where it is believed to breed; sexual maturity is reached at ca. 11 cm SL (Ref. 104726). Entirely insectivorous, with preference of Chironomidae over Chaoboridae larvae (Ref. 1047726), but fish remains have also been found (Ref. 78218).
Xenoclarias eupogon is an endemic species of Lake Victoria which is threatened with extinction or has already disappeared due to predation by Nile perch and other recent ecological impacts (Ref. 35948).
دورة الحياة وسلوك التزاوج
النضج | التكاثر | وضع البيض | بيض | الخصوبة | اليرقات
Gee, J.M., 1975. The genus Xenoclarias (Pisces, Siluriformes) in Lake Victoria, with a redescription of Xenoclarias eupogon and notes on the biology of the species. J. Zool., Lond., 175:201-217. (Ref. 104726)
حالة القائمة الحمراء للاتحاد الدولي لحفظ الطبيعة والموارد الطبيعية (Ref. 130435: Version 2025-2 (Global))
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مصائد: غير ذات اهمية
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تقديرات تستند إلى النماذج
مؤشر التنوع الشُعبي الوراثي (مرجع
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00344 - 0.01597), b=2.97 (2.79 - 3.15), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (مرجع
69278): 3.4 ±0.6 se; based on size and trophs of closest relatives
المرونه (مرجع
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
ضعف الصيد (Ref.
59153): Low vulnerability (16 of 100).
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