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Siluriformes (Catfishes) >
Astroblepidae (Naked sucker-mouth catfishes)
Etymology: Astroblepus: Greek, astra = ray + Greek, blepo = to look (Ref. 45335); rivasae: Named for Tulia Sofia Rivas Lara (Universidad Tecnologica del Choco).
Eponymy: Tulia Sofia Rivas Lara is a Colombian biologist at the Universidad Tecnológica del Chocó ‘Diego Luis Cordoba’. She was honoured for having “contributed greatly” (translation) to the knowledge of the fishes of Chocó, Colombia (where this catfish occurs). (Ref. 128868), visit book page.
पर्यावरण: पर्यावरण / जलवायु क्षेत्र / गहराई सीमा / वितरण सीमा
पारिस्थितिकी
; स्वच्छ जल, अलवण जल ड़िमरसल. Tropical
South America: Colombia.
आकार / वज़न / आयु
परिपक्व अवधि: Lm ?  range ? - ? cm
Max length : 4.9 cm SL पुल्लिंग / अलिंग; (Ref. 119425); 4.4 cm SL (female)
संक्षिप्त वर्णन
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
This species is distinguished by the following characters: adipose fin with mobile spine connected to the caudal peduncle through a membrane; preadipose membrane extended from the posterior part of the dorsal-fin terminating to the adipose-fin origin; maxillary barbel reaching to the operculum; first pectoral-fin ray larger than the head; pectoral fin with 5-6 soft branched rays associated to the third radial element; dorsal-fin spine is prolonged; first pelvic-fin ray extending beyond urogenital pore; outer row of premaxillary teeth with one bicuspid and 10-11 conical teeth; two outermost caudal-fin rays enlarged; basibranchial bone has Y-shaped inverted form; fifth ceratobranchial bone with 6 teeth in the anterior region; adipose fin located dorsal to the vertebrae 19; first anal-fin pterygiophore ventral to vertebrae 14; vertebrae 24, pleural ribs 10 (Ref. 119425).
Cross section: oval.
जीवन चक्र और संभोग व्यवहार
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | उपजाऊपन | लार्वा
Ardila Rodríguez, C.A., 2018. Astroblepus rivasae (Siluriformes: Astroblepidae), una nueva especie de la Cuenca del Río Atrato, Choco, Colombia. Peces del Departamento del Choco 11(2):1-20. (Ref. 119425)
आईयूसीएन रेड लिस्ट स्थिति (Ref. 130435: Version 2025-2 (Global))
मनुष्यों के लिए ख़तरा
Harmless
मानव उपयोग
साधन
विशेष रिपोर्ट
XML डाउनलोड करें
इंटरनेट स्रोत
मॉडल पर आधारित अनुमान
जातिवृति विविधता सूचकांक (संदर्भ 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=0.01047 (0.00436 - 0.02513), b=3.02 (2.83 - 3.21), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
ट्रॉफिक स्तर (संदर्भ 69278) |
3.2 ±0.5 se; based on size and trophs of closest relatives |
मछली पकड़ने की भेद्यता (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |