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Cypriniformes (Carps) >
Cyprinidae (Minnows or carps) > Labeoninae
Etymology: Placocheilus: Greek, plax, plakos = a flat plate + Greek, cheilos = lip (Ref. 45335); dulongensis: The specific name, dulongensis, is an adjective that refers to the Dulong River, where the species occurs, and the suffix agrees in gender with the generic name Placocheilus (gender neuter)..
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة; pH range: 6.0 - ?. Subtropical; 18°C - ? (Ref. 93106)
Asia: Dulong River drainage of the upper Irrawaddy River basin in Yunnan, China.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 12.5 cm SL ذكر/ مختلط الجنس; (Ref. 93106)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشعة الظهرية الناعمة (المجموع) : 10; أشعه شرجية لينه: 8. Distinguished from all congeners by the combination of the following characters: absence of semicircular black mark on the middle of each caudal fin lobe; absence of black band across the dorsal fin; two pairs of barbels; lateral line with 39-40 scales (Ref. 93106).
Occurs in shallow, fast flowing and clear water along the banks of the main course and the tributaries of the Dulong River. The bottom consists of large boulders, cobbles, gravel, and little sand. The wet rocks are covered with many diatoms (Ref. 93106).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Chen, Z.-M., X.-F. Pan, H. Xiao and J.-X. Yang, 2012. A new cyprinid species, Placocheilus dulongensis, from the upper Irrawaddy system in northwestern Yunnan, China. Zoologischer Anzeiger 251(3):215-222. (Ref. 93106)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00339 - 0.01546), b=3.06 (2.88 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
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).
