分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Astroblepidae (Naked sucker-mouth catfishes)
小眼鯰科 (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.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水 居於水底的.
分布
領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
South America: Colombia.
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 4.9 cm SL 雄魚/尚未辨別雌雄; (Ref. 119425); 4.4 cm SL (female)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
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.
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
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基於模型的估計
系統發育多樣性指數 (參考文獻 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). |
營養階層 (參考文獻 69278) |
3.2 ±0.5 se; based on size and trophs of closest relatives |
釣魚的脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |