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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.
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
بوم شناسي
; آب شيرين نزديك كف زي. Tropical
South America: Colombia.
اندازه / وزن / سن
بلوغ: Lm ?  range ? - ? cm
Max length : 4.9 cm SL جنس نر / بدون خواص جنسي; (Ref. 119425); 4.4 cm SL (female)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
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.
چرخه زندگی و رفتار جفتگیری
بلوغ | تولید مثل | تخم ریزی | تخم ها | باروری | توزاد ( لارو)
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)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-2 (Global))
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
تخمینها بر اساس مدلها
شاخص تنوع فیلوژنتیکی (مرجع 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). |
سطح تروفیک (مرجع 69278) |
3.2 ±0.5 se; based on size and trophs of closest relatives |
آسیبپذیری ماهیگیری (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |