分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Vandelliinae
Etymology: oscarleoni: Name 'oscarleoni' in honor of Oscar Leon Mata, curator of the fish collection of the Museo de Ciencias Naturales in Guanare.
Eponymy: Dr Domenico Agostino Vandelli (1735–1816) was an Italian naturalist who maintained a lengthy correspondence with Linnaeus. [...] (Ref. 128868), visit book page.
环境：氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 底中水层性.
分布
领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
South America: Venezuela.
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 1.9 cm SL 雄鱼/尚未辨别雌雄; (Ref. 137619)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 1; 背的软条 (总数) : 8 - 9; 臀棘: 2; 臀鳍软条: 5 - 6; 脊椎骨: 38 - 39. This species is distinguished by the following set of characters: broadly convex hook-shaped flange extending anteriorly from the parietosupraoccipital into the cranial fontanel; teeth on median premaxilla 10; medial teeth on premaxilla 2; scalpelloid teeth 4; dentary teeth 2; posteriorly directed opercular odontodes; opercular odontodes 11-15; slightly forked distal margin of maxilla; free branchiostegal membrane across the isthmus; an anterior osseous flange on the ascending process of opercle; median premaxilla as wide as long; median premaxilla connected to mesethmoid main axis via bilateral dorsal flanges; absence of an anteromedial notch on the mesethmoid; first anal-fin pterygiophore at vertical anterior to haemal spine of 22nd vertebra; vertebrae 38-39; principal dorsal-fin rays 9; parasphenoid being 3× longer than wide; absence of an anteromedial process on autopalatine (Ref. 137619).
Body shape (shape guide): elongated; Cross section: oval.
This species is found in rivers with substrate composed of cobble and gravel or bedrock and sand (Ref. 137619).
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Henschel, E., J.N. Baskin, R. Collins and N.K. Lujan, 2024. A revised diagnosis of the blood-feeding candiru genus Paravandellia (Siluriformes: Trichomycteridae: Vandelliinae) with descriptions of three new species. American Museum Novitates 4024:1-36. (Ref. 137619)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
渔业: 没有兴趣
工具
特别资料
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网络资源
基于模型的估算
系统发育多样性指数 (参考文献
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (参考文献
69278): 3.1 ±0.5 se; based on size and trophs of closest relatives
渔业脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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