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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Stethaprioninae
Etymology: Brachychalcinus: Greek, brachys, eia = short + Greek, chalkos = brass (Ref. 45335); sabaji: Name sabaji in honor of Mark Henry Sabaj and his contribution to the knowledge of South American freshwater fishes.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
; air tawar bentopelagis. Tropical
South America: Brazil.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 7.1 cm SL jantan/; (Ref. 132463)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
duri punggung lunak (Keseluruhan (total)) : 13; Sirip dubur lunak: 27 - 31. This species is distinguished from its congeners by the following set of characters: conspicuous longitudinal dark stripes across the body depth; branched dorsal-fin rays 9; predorsal spine 5.2-6.0; preanal spine 5.0-5.7; faint second humeral mark; predorsal spine 5.2-6.0 mm SL; preanal spine 5.0-5.7 mm SL; scales with few curved radii; scale rows between lateral line and midventral scale series 9-10; longitudinal scale rows between the lateral line and dorsal-fin origin 7-8 (Ref. 132463).
Cross section: compressed.
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Garcia-Ayala, J.R., F.C.T.D. Lima, C.D.S. Gama and R.C. Benine, 2024. A new striped species of Brachychalcinus (Ostariophysi: Characiformes) from Amapa and Para states, northern Brazil. Neotrop. Ichthyol. 22(1):e230070. (Ref. 132463)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: tidak ada kepentingan
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01549 (0.00694 - 0.03458), b=3.13 (2.94 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Tingkat Trofik (Acuan
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Daya lenting (Acuan
120179): Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.).
Kerentanan Penangkapan Ikan (Ref.
59153): Low vulnerability (10 of 100).
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