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Gymnotiformes (Knifefishes) >
Apteronotidae (Ghost knifefishes) > Apteronotinae
Etymology: Sternarchogiton: Greek, sternon = sternon, + Greek, archos = anus + Greek, geiton, -onos = neighbour (Ref. 45335); preto: Name from Portuguese 'preto' for black, refers to the diagnostic dark pigmentation of the species; an adjective, gender masculine.
पर्यावरण: पर्यावरण / जलवायु क्षेत्र / गहराई सीमा / वितरण सीमा
पारिस्थितिकी
; स्वच्छ जल, अलवण जल पिलाजिक. Tropical
South America: Brazilian and northeastern Peruvian Amazon and Venezuelan Orinoco basins.
आकार / वज़न / आयु
परिपक्व अवधि: Lm ?  range ? - ? cm
Max length : 25.0 cm SL पुल्लिंग / अलिंग; (Ref. 137577); 21.7 cm SL (female)
Distinguished from all congeners by having the following characters: very dark brown or purplish black live body coloration; black pectoral-, anal- and caudal-fin membranes; premaxilla with 5 long conical teeth; one row of conical teeth pointing toward the inside of the mouth of dentary; fusion of the supracleithrum and posttemporal; anterior portion of coracoid falling short of the anterior edge of the cleithrum; absence of a prominent tri-lobed structure on the lower lip (Ref. 75769).
Found only in channels and major side branches of large whitewater and blackwater rivers (Ref. 75769).
जीवन चक्र और संभोग व्यवहार
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | उपजाऊपन | लार्वा
de Santana, C.D. and W.G.R. Crampton, 2007. Revision of the deep-channel electric fish genus Sternarchogiton (Gymnotiformes: Apteronotidae). Copeia 2007(2):387-402. (Ref. 75769)
आईयूसीएन रेड लिस्ट स्थिति (Ref. 130435: Version 2025-2 (Global))
मनुष्यों के लिए ख़तरा
Harmless
मानव उपयोग
साधन
विशेष रिपोर्ट
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इंटरनेट स्रोत
मॉडल पर आधारित अनुमान
जातिवृति विविधता सूचकांक (संदर्भ 82804) |
PD50 = 0.5312 [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). |
ट्रॉफिक स्तर (संदर्भ 69278) |
3.3 ±0.3 se; based on size and trophs of closest relatives |
मछली पकड़ने की भेद्यता (Ref. 59153) |
Low vulnerability (21 of 100). 🛈 |