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Gymnotiformes (Knifefishes) >
Apteronotidae (Ghost knifefishes) > Apteronotinae
Etymology: Apteronotus: Greek, apteros = without wings / (in this cases, fins) + Greek, noton = back (Ref. 45335); pemon: Named in reference to the Pemon indigenous group whose traditional lands included much of the Rio Caroni basin (Ref. 93867).
Eponymy: The Pemon are an eastern Venezuelan Amerindian tribe, whose traditional territories included the localities of the holotypes of these species. (Ref. 128868), visit book page.
Taxonomic Remarks
The report of A. leptorhynchus from the Río Claro, a left bank tributary of the lower Río Caroni and from Gran Sabana region of the upper Rio Caroni basin may be based on samples of A. pemon, which is the only member of the species-group known from that river system (Ref. 93867).
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
; air tawar bentopelagis. Tropical
South America: Venezuela.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 20.6 cm TL jantan/; (Ref. 93867)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
Sirip dubur lunak: 152 - 160; vertebrata, bertulang belakang: 63 - 82. This species can be distinguished from its congeners by the following set of characters: A 152-160; P 16; C 18-20; precaudal vertebrate 18-19; total vertebrae 63-82; 5th infraorbital present as a tubular laterosensory canal segment; interobital distance 9.7-14.6% of HL; number of scales along the lateral line 74-83; ossified lateral ethmoid; number of scales above the lateral line at the midbody 9-10; mouth length 30-44.5% of HL; tail length 13.0-17.5% of LEA; tail depth 9.9-15.4% of CL; ocular diameter 4.0-6.3% of HL. Colouration: body and head brown; distinct, broad, light coloured longitudinal band extending from chin along dorsal midline of head and body to beginning of dorsal filament; pectoral- and anal-fin rays dark brown with translucent interradial membranes; light band encircling base of caudal fin; caudal fin pale at base, dark brown posteriorly (Ref. 93867).
Cross section: compressed.
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
de Santana, C.D. and R.P. Vari, 2013. Brown ghost electric fishes of the Apteronotus leptorhynchus species-group (Ostariophysi, Grymnotiformes); monophyly, major clades, and revision. Zool. J. Lin. Soc. 168(3):564-596. (Ref. 93867)
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=0.00347 (0.00141 - 0.00851), b=3.06 (2.85 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
3.3 ±0.3 se; based on size and trophs of closest relatives |
Kerentanan Penangkapan Ikan (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |