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Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Hypostominae
Etymology: Hypancistrus: Greek, hypo = under + Greek, agkistron = hook (Ref. 45335); yudja: Named after the Yudjá (also known as Juruna), a group of indigenous people from the Volta Grande do Xingu; in Tupi language, Yudjá means 'the river owners'.
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
بوم شناسي
; آب شيرين نزديك كف زي; تغييرات عمق 15 - ? m (Ref. 133100). Tropical
South America: Brazil.
اندازه / وزن / سن
بلوغ: Lm ?  range ? - ? cm
Max length : 4.2 cm SL جنس نر / بدون خواص جنسي; (Ref. 133100)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
خارهاي باله پشتي (کل) : 2; شعاع نرم باله پشتي (کل) : 7; خارهاي باله مخرجي: 1; شعاع نرم باله مخرجي: 3 - 4. This species is distinguished from its congeners by its unique color pattern consisting of body with a light tan background and relatively large brown blotches and saddles (Ref. 133100).
Cross section: angular.
This species inhabits the deep portions of the rio Xingu channel and was only found hidden in lateritic conglomerates below 15 m of depth; specimens were collected individually by hand during diving sessions. Specimens kept in captivity were observed to be fairly shy, remains secluded in caves for most of the day. Expert aquarium hobbyists have successfully bred this species with the female laying around 15-20 eggs in a cave that is protected by the male. The fry grows slowly in captivity, usually taking two years or more to reach maturity. Under prime conditions they will reach 4-5 cm TL in about a year.
چرخه زندگی و رفتار جفتگیری
بلوغ | تولید مثل | تخم ریزی | تخم ها | باروری | توزاد ( لارو)
Sousa, L. M. de, E.B. de Sousa, R.R. de Oliveira, M.H. Sabaj Pérez, Zuanon. J. and Rapp Py-Daniel. L., 2025. Two new species of Hypancistrus (Siluriformes: Loricariidae) from the rio Xingu, Amazon, Brazil. Neotropical Ichthyol. 23(1):e240080:1-25. (Ref. 133100)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-2 (Global))
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: تجاري; آكواريوم: تجاري
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
تخمینها بر اساس مدلها
شاخص تنوع فیلوژنتیکی (مرجع
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01549 (0.00726 - 0.03306), b=2.96 (2.79 - 3.13), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
جهندگی (مرجع
120179): زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (Preliminary K or Fecundity.).
آسیبپذیری ماهیگیری (Ref.
59153): Low vulnerability (10 of 100).
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