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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); ferrarisi: Named for Carl J. Ferraris Jr. for his contirbutions to tropical freshwater fishes worldwide (Ref. 93867).
Eponymy: Dr Carl James Ferraris Jr (d: 1950) is an American ichthyologist and fish taxonomist who is a recognised authority on catfish. [...] (Ref. 128868), visit book page.
Taxonomic Remarks
The report of Apteronotus sp. from the Tocuyo-Yaracuy region is presumably based on A. ferrarisi, which is the only member of the genus known to occur in those basins (Ref. 93867).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk. Tropical
South America: Venezuela.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 27.4 cm TL hane/ej könsbestämd; (Ref. 93867)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i analfenan: 150 - 167; Ryggkotor: 61 - 71. This species can be distinguished from its congeners by the following set of characters: A 150-167; P 13-17; C 15-17; total vertebrae 61-71; 5th infraorbital absent as a tubular laterosensory canal segment; ossified lateral ethmoid; the number of scales above the lateral line at the midbody 10-13; the number of scales along the lateral line 73-80; the extent of the middorsal groove; tail length 6.9-9.9 % of LEA; mouth length 49.4-56.4% of HL; tail depth 22.2-28.7% of CL; orbital diameter 4.0-5.9% of HL. Colouration: body dark and head dark brown; prominent pale, broad, 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; pale band encircling base of caudal fin; caudal fin pale at base and dark brown posteriorly (Ref. 93867).
Cross section: compressed.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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 på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Verktyg
Särskilda rapporter
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Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 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). |
Trofisk nivå (Ref. 69278) |
3.3 ±0.3 se; based on size and trophs of closest relatives |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (15 of 100). 🛈 |