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
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶; 1°S - 6°S
Asia and Oceania: Indonesia (Mamberamo river system in Irian Jaya) and Papua New Guinea (Ramu and Sepik river system). Often misidentified as Arius leptaspis, a closely related species from southern New Guinea.
亞洲與大洋洲: 印尼 (在伊裡安加亞的 Mamberamo 河流域) 與巴布亞新幾內亞 (Ramu 與 Sepik 河流域). 時常被誤鑑成 Arius leptaspis, 來自新幾內亞南部的一個近親魚種。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm ?, range 25 - ? cm
Max length : 55.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 2847); common length : 30.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 9233); common length :30 cm SL (female); 最大體重: 1.7 kg (Ref. 9233); 最大體重: 1.7 kg
背棘 (總數) : 1; 背的軟條 (總數) : 7; 臀棘: 0; 臀鰭軟條: 18 - 22.
Prefers main river channels, but also occurs in lakes and on the floodplain. Feeds mainly on large crustaceans (Macrobrachium and Caridina), fishes, aquatic and terrestrial insects, nymphs and detritus. Occurs at temperatures ranging from 26 to 32°C. Mainly diurnal.
偏愛主要的河道, 也出現於湖中與在洪泛區上。 主要吃大的甲殼動物 ( Macrobrachium 與 Caridina) ，魚，水生與陸棲的昆蟲，蛹與碎屑。 生存在溫度範圍從 26 到 32個 ° C. 主要日行性。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Mouthbrooders. Ovary or brood mass contains 15 to 75 ripe eggs (Ref. 2847).亞洲與大洋洲: 印尼 (在伊裡安加亞的 Mamberamo 河流域) 與巴布亞新幾內亞 (Ramu 與 Sepik 河流域). 時常被誤鑑成 Arius leptaspis, 來自新幾內亞南部的一個近親魚種。
Allen, G.R., 1991. Field guide to the freshwater fishes of New Guinea. Publication, no. 9. 268 p. Christensen Research Institute, Madang, Papua New Guinea. (Ref. 2847)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 20 May 2020
人類使用
漁業: 自給性漁業
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00250 - 0.00959), b=3.13 (2.96 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.0 ±0.47 se; based on food items.
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): Moderate to high vulnerability (47 of 100).
