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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Hyphessobryconinae
Etymology: Hyphessobrycon: Greek, hyphesson, -on, -on = a little smaller + Greek, bryko = to bite (Ref. 45335); montagi: Named for Luciano F.A. Montag ('Miúdo'), who collected part of the material of the species and in recognition of his contributions to the knowledge of the ichthyofauna from the lower portion of the Amazon basin. A genitive noun.
Eponymy: Dr Luciano Fogaça de Assis Montag (d: 1975) is a Brazilian zoologist who is a Professor at the Federal University of Pará. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
; آب شيرين موجوداتی که در محدوده وسیعی از آبهای آزاد از نزدیک بستر و یا روی کف بستر، در قسمت های میان آبی تا سطح آب و در برخی گونه ها با قابلیت پرواز، زندگی و تغذیه می کنند.. Tropical
South America: headwaters of the rio Arapiuns (rio Branco and rio Aruã), lower rio
Tapajós basin, and small direct tributary of the Rio Amazonas (igarapé da Ponte) in Pará state, Brazil.
Size / Weight / سن
بلوغ: Lm ? range ? - ? cm
Max length : 3.1 cm SL جنس نر / بدون خواص جنسي; (Ref. 97524)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
شعاع نرم باله پشتي (کل) : 10 - 11; شعاع نرم باله مخرجي: 21 - 25; مهره ها: 31 - 34. Hyphessobrycon montagi is distinguished from all its congeners, with exception of H. balbus, H. bifasciatus, H. columbianus, H. condotensis, H. flammeus, H. griemi, H. isiri, H. itaparicensis, H. savagei, H. sebastiani, H. togoi, H. tortuguerae, and H. weitzmanorum, by having two well-defined humeral blotches. It differs from all these species by the having the following characters: a well-defined caudal peduncle blotch (vs. caudal peduncle blotch absent in all aforementioned species, with the exception of H. isiri and H. togoi); a horizontally-elongated oval, very well-defined first humeral blotch (vs. first humeral blotch moderately conspicuous, vertically elongated, and approximately rectangular in shape); and first and second humeral blotches are connected via a narrow, short stripe (vs. humeral blotches not connected) (Ref. 97524).
Body shape (shape guide): fusiform / normal.
Found only in clear-water terra firme streams, i.e., streams dissecting the uplands, above the periodically flooded igapó forest, as the Igarapé Socó Barroso, the type locality. These streams have width ranging from 0.80 to 20 m, moderate water current (0.1-0.7 m/s), clear,
sandy bottom with pebbles, mud, leaf litter, and submerged logs, often also presenting aquatic macrophytes, pH ranging from 5.8 to 7.44, and water temperature ranging from 24.9° to 29.1°C. Ripe oocytes were observed in females collected in March and August (Ref. 97524).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Lima, F.C.T., D.P. Coutinho and W.B. Wosiacki, 2014. A new Hyphessobrycon (Ostariophysi: Characiformes: Characidae) from the middle Amazon basin, Brazil. Zootaxa 3872(2):167-179. (Ref. 97524)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-1)
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: از بی علاقه گی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00498 - 0.02769), b=3.10 (2.93 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (مرجع
69278): 2.9 ±0.3 se; based on size and trophs of closest relatives
جهندگی (مرجع
120179): زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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