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Cypriniformes (Carps) >
Gobionidae (Gudgeons)
Etymology: pentatrichus: The name is derived from the main diagnostic , the presence of five branching rays in the anal fin; pentatrichus, five-ray.
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة. Temperate
Europe: Middle stretches of River Kuban in Russia.
الحجم / وزن / العمر
Maturity: Lm ?  range ? - ? cm
Max length : 13.0 cm SL ذكر/ مختلط الجنس; (Ref. 59043)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشواك الظهرية (المجموع) : 3; الأشعة الظهرية الناعمة (المجموع) : 7; شوكة شرجية: 3; أشعه شرجية لينه: 5; فقرات: 41 - 43. Head conical, wide, slightly flattened. Barbel long, reaching beyond posterior edge of eye, caudal peduncle low, epithelial crests on dorsal scales absent; supraorbital seismosensory canal not connected with infraorbital one (Ref. 28796); and anal fin with 5½ branched rays (Ref. 59043).
Inhabits high-gradient stretches of large rivers with fast (not turbulent) current and gravel or sand bottom. Nocturnal, found near shores at night on mud or sand bottom. Appears to spawn early and have a short spawning period. Only large juveniles were encountered in July (Ref. 59043).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Naseka, A.M. and N.G. Bogutskaya, 1998. A new gudgeon species Romanogobio pentatrichus (Gobioninae, Cyprinidae) from the basin of the Kuban River. J. Ichthyol. 38(3):219-227. (Ref. 28796)
IUCN Red List Status (Ref. 130435: Version 2024-2)
استخدامات بشرية
مصائد: غير ذات اهمية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00294 - 0.01235), b=3.12 (2.95 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.4 ±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 (10 of 100).