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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Rivulinae
Etymology: ubirajarai: From the author, Wilson Costa: "the name ubirajarai is in honour of Ubirajara Martins, entomologist at Museu de Zoologia, Universidade de Sao Paulo, professor of principles of taxonomy, who was teacher and friend during my early formation in Systematics, providing great enthusiasm for studying taxonomy of killifishes about 30 years ago" (Ref. 92338).
Eponymy: Dr Ubirajara Ribeiro ‘Bira’ Martins de Souza (1932–2015) was a Brazilian entomologist who spent his career researching at the Museum of Zoology of the University of São Paulo (1959–2015) which had awarded his PhD (1975) and where he became a [...] (Ref. 128868), visit book page.
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
بوم شناسي
; آب شيرين سطح زی. Tropical; 17°S - 18°S, 52°W - 53°W
South America: Brazil, Estado de Goias, Municipo de Mineiros. Known only from the type locality, a stream tributary to the Babilônia River, upper Araguaia River Basin (Ref. 92338).
اندازه / وزن / سن
بلوغ: Lm ?  range ? - ? cm
Max length : 3.0 cm SL جنس نر / بدون خواص جنسي; (Ref. 92338); 2.7 cm SL (female)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
Differs from all other species of the genus, except M. litteratus, by the presence of a short dark yellowish grey stripe on the caudal fin in females, connecting black caudal spot on the middle of the fin (vs. never a horizontal mark in this position) (Ref. 92338).
Body shape (shape guide): elongated.
چرخه زندگی و رفتار جفتگیری
بلوغ | تولید مثل | تخم ریزی | تخم ها | باروری | توزاد ( لارو)
Costa, W.J.E.M., 2012. Two new species of Melanorivulus from the Caiapós hill, upper Araguaia river basin, Brazil (Cyprinodontiformes: Rivulidae). Ichthyol. Explor. Freshwat. 23(3):211-218 (Ref. 92338)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-2 (Global))
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
تخمینها بر اساس مدلها
شاخص تنوع فیلوژنتیکی (مرجع 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00661 (0.00312 - 0.01398), b=3.10 (2.92 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
سطح تروفیک (مرجع 69278) |
3.1 ±0.4 se; based on size and trophs of closest relatives |
آسیبپذیری ماهیگیری (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |