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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Acestrorhamphinae
Etymology: Psalidodon: Greek, psalis, -idos = scissors + Greek, odous = teeth (Ref. 45335); kalunga: The specific epithet is in reference to Comunidade Quilombo Kalunga, descendents of African slaves that lives in the Chapada dos Veadeiros, near the type locality. Kalunga, in Bantu language, means protected sacred place. A noun in apposition.
Eponymy: The Comunidade Quilombo Kalunga are descendants of African slaves who live in the upper Rio Tocantins basin, Goiás, Brazil, near where the holotype was taken. . (Ref. 128868), visit book page.
Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة; نطاق العمق ? - 1 m (Ref. 83954). Tropical
South America: known from its type locality in the upper rio Tocantins basin, tributary of rio das Almas in Goiás state, Brazil.
الحجم / وزن / العمر
النضج: Lm ? range ? - ? cm
Max length : 5.3 cm SL ذكر/ مختلط الجنس; (Ref. 83954)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشعة الظهرية الناعمة (المجموع) : 10; فقرات: 34 - 36. Diagnosed from members of the genus Hasemania by the following characters:
11-21 perforated lateral line scales (vs. 5-9, except from Hasemania crenuchoides and Hasemania piatan); presence of a black vertically-elongate humeral spot (vs.
absence, except from Hasemania crenuchoides, Hasemania nambiquara, and Hasemania piatan); and absence of scale sheath along anal-fin base (vs. presence, except from Hasemania maxillaris and Hasemania piatan). Differs further from Hasemania crenuchoides by having interorbital width 27.6-31.3 % of HL (vs. 34.0-35.6% of HL) and caudal peduncle length 13.9-17.4 % of SL (vs. 17.9-21.8% of SL); from Hasemania hanseni, Hasemania maxillaris, and Hasemania nambiquara
by having 12-15 branched anal-fin rays (vs. 16-19); from Hasemania hanseni, Hasemania melanura and Hasemania nana by the presence of 1-2 maxillary
teeth (vs. teeth absent); and from Hasemania piatan by having 19 principal caudal-fin rays (vs. 18), 33-36 longitudinal scale series (vs. 27-32), and presence of caudal spot (vs. absence in Hasemania piatan); and also from Hasemania nambiquara by the absence of a broad horizontal black band in the midlateral body (Ref. 83954).
Found along the margins of semilentic stretches of a shallow, clear water river, greatest depth of 1.20 m, width of 1.5 to 10 m, with sand and leaves on the bottom, with moderate submerged vegetation (mainly Poaceae and Cyperaceae) and a little riparian vegetation (shrubs). Feeds largely on Formicidae, followed by Diptera, Chlorophyta, unidentified vegetal organic matter, and insects fragments in lesser amount (Ref. 83954).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Bertaco, V.A. and F.R. Carvalho, 2010. New species of Hasemania (Characiformes: Characidae) from Central Brazil, with comments on the endemism of upper Rio Tocantins basin, Goiás State. Neotrop. Ichthyol. 8(1):27-32. (Ref. 83954)
IUCN Red List Status (Ref. 130435: Version 2025-1)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
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=0.00955 (0.00428 - 0.02132), b=3.12 (2.93 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (مرجع
69278): 3.0 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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