分類 / Names
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) > Hypostominae
Etymology: Pseudolithoxus: Greek, pseudes = false + Greek, lithos = stone + Greek, oxys = sharp; anthrax: From its dark, coal-like color; noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 熱帶
South America: Upper and lower Orinoco tributaries, Caura and Aro rivers in Venezuela.
南美洲: 上、下奧里諾科河支流， Caura 與 Aro 河。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 12.4 cm SL 雄魚/尚未辨別雌雄; (Ref. 36713)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 2; 背的軟條 (總數) : 7 - 8; 臀棘: 1; 臀鰭軟條: 4 - 5. Body charcoal gray to black with white spots. No white band along the edge of the caudal fin. Base of dorsal fin length to caudal depth ratio 2.1-2.2. Lateral line plates 24-26; dorsal plates 7-8; interdorsal plates 6-7; adipose-caudal plates 7-8; folded dorsal fin plates 11-14; and postanal plates 12-14 (Ref. 40437).
身體深灰色灰色黑色的有白色的斑點。 沒有白色的條紋沿著尾鰭的邊緣。 對尾部的深度比 2.1-2.2 的背鰭基底長度. 側線碟 24-26; 背部的碟 7-8; 背間片 6-7; 脂鰭-尾鰭碟 7-8; 摺疊的背鰭碟 11-14; 而且肛門後的碟 12-14.(參考文獻 40437)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 上、下奧里諾科河支流， Caura 與 Aro 河。
Armbruster, J.W. and F. Provenzano, 2000. Four new species of the suckermouth armored catfish genus Lasiancistrus (Loricariidae: Ancistrinae). Ichthyol. Explor. Freshwat. 11(3):241-254. (Ref. 40437)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
近危 (NT) (B2b(iii)); Date assessed: 07 August 2019
人類使用
漁業: 商業性; 水族館: 商業性
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01549 (0.00719 - 0.03336), b=2.98 (2.81 - 3.15), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
