Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
; air tawar pelagis, permukaan. Tropical; 1°N - 12°S
South America: Amazon River basin (Pará and Manáos [= Manaus] to Iquitos, Peru).
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 19.7 cm SL jantan/; (Ref. 111115); Berat maksimum terpublikasi: 98.39 g (Ref. 111115)
Duri punggung (Keseluruhan (total)) : 0; Duri dubur: 0; Sirip dubur lunak: 47 - 52. Body moderately elongate, belly with 25 or 26 scutes. Eye large, lower jaw projecting; gap between hind tip of pre-maxilla and blade of maxilla a ligament, not a toothed bone. Dorsal fin origin well before midpoint of body; anal fin long. Resembles species of Pellonula, which have a distinct toothed hypo-maxilla between the hind tip of the pre-maxilla and the blade of maxilla (Ref. 188). Grayish above, yellowish to silvery below (Ref. 37032).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Occurs in rivers, apparently not entering sea. More specimens and data needed.
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Whitehead, P.J.P., 1985. FAO Species Catalogue. Vol. 7. Clupeoid fishes of the world (suborder Clupeoidei). An annotated and illustrated catalogue of the herrings, sardines, pilchards, sprats, shads, anchovies and wolf-herrings. FAO Fish. Synop. 125(7/1):1-303. Rome: FAO. (Ref. 188)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan 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=0.00933 (0.00533 - 0.01633), b=3.08 (2.93 - 3.23), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
3.4 ±0.5 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 (22 of 100). 🛈 |