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Cypriniformes (Carps) >
Cobitidae (Spined loaches)
Etymology: Cobitis: Greek, kobitis, -idos = a kind of sardine; also related with the voice Greek, kobios, Latin gobius = gudgeon (Ref. 45335); keyvani: Named for Prof. Dr. Amin Keyvan (1930-2007), the greatest Iranian ichthyologist researcher, who dedicated his life to the Iranian fishes.
Eponymy: Professor Dr Amin Keyvan (1930–2007) was professor in the Department of Fisheries Sciences at the Islamic Azad University, Iran. [...] (Ref. 128868), visit book page.
Taxonomic Remarks
Is a synonym of Cobitis faridpaki Mousavi-Sabet et al., 2011 (Jouladeh-Roudbar et al. 2017). Species summary page to be deleted.
البيئة: الوسط / المنطقة المناخية / نطاق العمق / نطاق التوزيع
البيئة
; المياه العذبة قاعية التغذية و المعيشة. Temperate
Asia: Talar River, Caspian Sea basin in Iran.
الحجم / وزن / العمر
النضج: Lm ? range ? - ? cm
Max length : 9.3 cm TL ذكر/ مختلط الجنس; (Ref. 115171); أعلا وزن تم نشرة: 6.20 g (Ref. 115171)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
أشعه شرجية لينه: 7 - 8; فقرات: 39 - 40. Diagnosed from Cobitis linea by having one lamina circularis at the base of second ray of the male pectoral fin. Differs from Cobitis taenia by the combination of the following characters: dorsal fin with 2-3 unbranched and 6-7 branched soft rays; anal fin with 2-3 unbranched 5-7 branched soft rays; caudal fin with 13-16 branched rays; one brownish streak across eye from the tip of nose, no streak on cheek and a black spot smaller than eye diameter near the dorsal corner of the caudal fin base; four lateral pigmentation zones well developed and reaching beyond the dorsal base and also one reduced zone; L1 zone narrower than L2; L3 with 20-28 obvious dark speckles; L2 and L4 zones with irregular spots; L4 zone with few small spots; L4 is reduced; L5 zone wider than L1 and L3, with 14-20 roundish to oval blotches; on post dorsal body, L2 zone reduced (Ref. 89431).
Body shape (shape guide): elongated.
Inhabits clear and calm streams with sandy or slightly rocky bottom. Occurs on the bottom of the river. A nocturnal species which remains buried in sand, mud or dense weed growth during the day and being active at night (Ref. 89431).
دورة الحياة وسلوك التزاوج
النضج | التكاثر | وضع البيض | بيض | الخصوبة | اليرقات
Sabet, H.M., S.V. Yerli, S. Vatandoust, S.C. Özeren and Z. Moradkhani, 2012. Cobitis keyvani sp. nova - a new species of spined-loach from south of the Caspian Sea basin (Teleostei: Cobitidae). Turk. J. Fish. Aquat. Sci. 12:17-13. (Ref. 89431)
حالة القائمة الحمراء للاتحاد الدولي لحفظ الطبيعة والموارد الطبيعية (Ref. 130435: Version 2025-2 (Global))
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تقديرات تستند إلى النماذج
مؤشر التنوع الشُعبي الوراثي (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00404 - 0.00622), b=3.08 (3.04 - 3.12), in cm total length, based on LWR estimates for this species (Ref.
93245).
مستوى غذائي (مرجع
69278): 3.2 ±0.4 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 (10 of 100).
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