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) >
Ariidae (Sea catfishes)
海鯰科 (Sea catfishes) > Ariinae
Etymology: paucus: From the latin for few or less, in reference to its fewer gill rakers and smaller eye as compared to A. midgleyi (Ref. 40908).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 熱帶
Oceania: Australia.
大洋洲: 澳洲。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 130 cm TL 雄魚/尚未辨別雌雄; (Ref. 40908); 最大體重: 2.8 kg (Ref. 40908)
簡短描述
型態特徵 | 形態測量圖
臀棘 0; 臀鰭軟條: 16 - 19; 脊椎骨: 55 - 57. Total gill rakers 11-14 on last arch. Eye diameter 8.9-15.3% HL. Because of its similarity to A. midgleyi, the remaining diagnosis refers to both A. midgleyi and A. paucus: a sleek body; strong jaws; jaws upturned slightly at symphyses, mouth broad; snout truncate in profile; head oblong, its width averaging 66% HL. Supraoccipital process narrow with parallel margins. Numerous fine, sharp teeth on palate in transverse band of four oblong groups. No rakers on posterior aspect of gill arches. Barbels thin and short, rarely reaching beyond pectoral fin base and less than 25% SL (Ref. 40908).
在最後的鰓弓上的總鰓耙 11-14。 眼直徑 8.9-15.3% HL。 由於它的類似 A. midgleyi, 剩餘的鑑別參考依據為 A. midgleyi 和 A. paucus: 一個光滑的身體; 強的顎; 顎朝上的些微地在癒合處, 嘴寬的; 吻截形的輪廓; 頭部長方形, 它的寬度平均 66% HL。 上枕骨突起狹窄的有平行的邊緣。 很多的細, 銳利的在四個長方形群的橫跨條紋中牙齒在上顎。 沒有耙鰓弓的在後部面。 觸鬚細又短的, 很少地超過胸鰭基底而且少於 25% SL.(參考文獻 40908)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
大洋洲: 澳洲。
Kailola, P.J., 2000. Six new species of fork-tailed catfishes (Pisces, Teleostei, Ariidae) from Australia and New Guinea. Beagle, Rec. Mus. Art Galler. North. Territ. 16:127-144. (Ref. 40908)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 12 February 2019
人類使用
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00384 - 0.01719), b=3.06 (2.88 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.8 ±0.63 se; based on food items.
回復力 (Ref.
120179): 非常低的, 最小族群倍增時間超過14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (78 of 100).