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) >
Loricariidae (Armored catfishes)
甲鯰科 (Armored catfishes) > Loricariinae
Etymology: Pseudohemiodon: Greek, pseudes = false + Greek, hemi = half + Greek, odous = teeth (Ref. 45335); unillano: Species name from Latin prefix 'uni' meaning one, unique, and from the Spanish word 'llano' meaning a plain terrain; alluding to the savannas or plains crossed by tributaries and the Orinoco River in Colombia and Venezuela (Ref. 128488).
Taxonomic Remarks
Previously, this species is erroneously identified as P. laticeps (Ref. 128488).
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 and Venezuela.
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 20.1 cm SL 雄魚/尚未辨別雌雄; (Ref. 128488)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 7; 臀鰭軟條: 5. This species can be distinguished from its congeners by the following set of characters: abdomen completely covered with small to medium-sized, irregularly shaped plates; area in front of gill opening without plates, ventrally; head with straight sides; and head and caudal peduncle narrower. Colouration: color pattern of dorsal body is uniform light brown without transversal dark bands, mostly in the caudal peduncle (Ref. 128488).
Cross section: oval.
Inhabits rivers and flooded areas at altitudes 135 to 334 m asl, in areas with gentle slope and sandy or clay bottoms (Ref. 128488).
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Rojas-Molina, Y.A., F. Provenzano-Rizzi and H. Ramírez-Gil, 2019. A new species of whiptail armored catfish, genus Pseudohemiodon (Siluriformes: Loricariidae) from the Orinoco River basin, Llanos region of Colombia and Venezuela Neotropical Ichthyology 17(2):e180160. (Ref. 128488)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 14 December 2020
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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 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
|
a=0.00398 (0.00186 - 0.00854), b=3.11 (2.93 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
營養階層 (參考文獻 69278) |
2.4 ±0.2 se; based on size and trophs of closest relatives |
回復力 (參考文獻 120179) |
中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.). |
釣魚的脆弱性 (Ref. 59153) |
Moderate vulnerability (39 of 100). 🛈 |