>
Cypriniformes (Carps) >
Nemacheilidae (Brook loaches)
Etymology: Oreonectes: Greek, oreos = mountain + Greek, nekton = swimmer (Ref. 45335); polystigmus: Derived from the Greek poly and stigma, meaning numerous marks, in reference to the presence of numerous dark brown spots on the body of this species.
More on authors: Du, Chen & Yang.
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة القاع. Tropical
Asia: Dabu Village, Guilin City in Guangxi Zhuang Autonomous Region, China.
الحجم / وزن / العمر
Maturity: Lm ?  range ? - ? cm
Max length : 5.8 cm SL ذكر/ مختلط الجنس; (Ref. 75196)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشعة الظهرية الناعمة (المجموع) : 9 - 10; أشعه شرجية لينه: 7; فقرات: 34 - 37. Diagnosed by the following characters: anterior and posterior nostrils separated by short distance; anterior nostril elongated into barbel-like structure; tip of anterior nostril extending middle of posterior nostril; caudal fin rounded; body and belly completely with scales; incomplete lateral line with 6-8 pores; cephalic lateral-line system with 7 supraorbital, 4 +7 infraorbital pores; exhibits sexual dimorphism with males having genital papilla located immediately posterior to anus; gonads opens at end of fleshy prominence (Ref. 75196).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Du, L.-N., X.-Y. Chen and J.-X. Yang, 2008. A review of the nemacheilinae genus Oreonectes Günther with descriptions of two new species (Teleostei: Balitoridae). Zootaxa 1729:23-36. (Ref. 75196)
IUCN Red List Status (Ref. 130435: Version 2024-2)
استخدامات بشرية
أدوات
تقارير خاصة
Download XML
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=0.00724 (0.00347 - 0.01512), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 2.8 ±0.3 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).