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:
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶; 3°S - 6°S
Oceania: endemic to Sepik and Ramu rivers in Papua New Guinea.
大洋洲: 在巴布亞新幾內亞的 Sepik 的特有種與 Ramu 河。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm ?, range 36 - ? cm
Max length : 75.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 2847); common length : 45.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 9233); common length :45 cm SL (female); 最大體重: 5.0 kg (Ref. 9233)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 1; 背的軟條 (總數) : 7; 臀棘: 0; 臀鰭軟條: 19 - 21.
Found in rivers only. Occurs at temperatures ranging from 26 to 32°C. Mainly diurnal. Feeds mainly on fine and coarse detritus, other plant material (particularly seeds and small pieces of bark), and especially prawns. Also preys on aquatic insects and nymphs, fishes, worms and leeches (Ref. 2847).
只有發現於河了。 生存在溫度範圍從 26 到 32個 ° C. 主要日行性。 主要吃細而粗糙的碎屑，其他的植物 (特別地種子與小片的吠聲), 與尤其蝦。 也捕食水生昆蟲與蛹，魚，蠕蟲與水蛭。 (參考文獻 2847)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Mouthbrooder.大洋洲: 在巴布亞新幾內亞的 Sepik 的特有種與 Ramu 河。
Coates, D., 1991. Biology of fork-tailed catfishes from the Sepik River, Papua New Guinea. Environ. Biol. Fishes 31(1):55-74. (Ref. 9233)
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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.0 ±0.41 se; based on food items.
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (57 of 100).
![Image of Potamosilurus coatesi (Coates\](/images/thumbnails/gif/tn_ARIIDAT0.gif "Image of Potamosilurus coatesi (Coates\")