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Characiformes (Characins) >
Characidae (Characins; tetras) > Aphyocharacinae
Etymology: Aphyocharax: Greek, aphye, -es, sardine, anchovy + Greek, charax = a marine fish; diminutive (Ref. 45335); yekwanae: Named for the Ye'Kwana tribe that lives and oversees most of the Río Caura basin.
Eponymy: This species is named after the Ye’Kwana people (also ‘Ye-kuana’ – see above). They live in and oversee most of the Río Caura basin, Brazil. They are well known for their “…fervid desire to protect and manage their home territory and its environment.” (Ref. 128868), visit book page.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
; air tawar pelagis, permukaan. Tropical
South America: Venezuela.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 5.6 cm SL jantan/; (Ref. 49521)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
duri punggung lunak (Keseluruhan (total)) : 9; Sirip dubur lunak: 15 - 17; vertebrata, bertulang belakang: 36 - 37. Body with bright red coloration, from vertical through second to fifth branched anal-fin ray to vertical through apex of fork in caudal fin; adipose and posterior 2/3 of anal fin red. This coloration is believed to be autapomorphic. Distal margin of anal fin clear. Maxillary teeth 11-16; incompletely toothed maxilla (Ref. 49521).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Common in the lee side of islands and protected backwaters of the main river channel; sand with some rocks bottom. Also collected near mouths of streams where it could be muddy and covered with terrestrial plant leaves. Aquatic vegetation almost always absent; water clear to moderately turbid (Ref. 49521).
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Willink, P.W., B. Chernoff, A. Machado-Allison, F. Provenzano and P. Petry, 2003. Aphyocharax yekwanae, a new species of bloodfin tetra (Teleostei: Characiformes: Characidae) from the Guyana Shield of Venezuela. Ichthyol. Explor. Freshwat. 14(1):1-8. (Ref. 49521)
Status IUCN Red List (Ref. 130435: Version 2025-2)
Rentan (VU) (B1ab(iii)+2ab(iii)); Date assessed: 18 August 2017
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Tingkat Trofik (Acuan
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Kerentanan Penangkapan Ikan (Ref.
59153): Low vulnerability (10 of 100).
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