分类 / Names
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Teleostei >
Siluriformes (Catfishes) >
Ariidae (Sea catfishes) > Ariinae
Etymology: pectoralis: From the Latin for shoulder, in reference to the strong serrae along the inner pectoral fin spine (Ref. 40908).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋; 半咸淡水 居于水底的. 熱帶
Western Central Pacific: Irian Jaya and Australia. Probably also occurring in southern Papua New Guinea (Port Moresby to the Kempwelch River area).
中西太平洋: 伊裡安加亞與澳洲。 可能也出現在巴布亞新幾內亞 (莫爾斯比港到 Kempwelch 河區域) 南部中。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 39.3 cm FL 雄鱼/尚未辨别雌雄; (Ref. 40908)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 1; 背的软条 (总数) : 7; 臀棘: 0; 臀鳍软条: 18 - 22; 脊椎骨: 51. Palatal teeth in two oblique, oval patches; one on each side of palate, well separated. Snout acute; lips fleshy, crenulate; lower jaw truncate. Head shield granular; dorsomedian head groove lanceolate, narrow distally. Eye large, 17-28% HL. Large, flattened serrae along inner margin of pectoral spine; caudal fin lobes slender, acute. Rakers present along posterior face of all gill arches. Distinct, blackish margin on dorsal, pectoral and inner caudal fins (Ref. 40908).
在二斜角中的上颚音齿, 椭圆形区块; 一在上颚的两边上, 分得很开。 吻尖锐的; 唇肉质的, 细齿状的; 下颌截形。 头盾表面粗糙的; 背面中央的头部凹槽矛尖形的, 狭窄的末梢部地。 眼大的,17-28% HL。 大又平的锯齿沿着胸棘的内缘; 尾鳍叶细长的, 尖锐的。 耙存在的沿着所有鳃弓的后面。 明显的, 在背部的,胸的与内部的尾鳍上的黑色边缘.(参考文献 40908)
Found in coastal waters, estuaries and rivers within tidal influence; among mangroves (Ref. 40908).
发现于潮汐的影响力里面的沿岸水域,河口与河了; 在红树林之中.(参考文献 40908)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
中西太平洋: 伊裡安加亞與澳洲。 可能也出現在巴布亞新幾內亞 (莫爾斯比港到 Kempwelch 河區域) 南部中。
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)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)
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Estimates based on models
Preferred temperature (Ref.
123201): 27.4 - 29.2, mean 28.7 °C (based on 674 cells).
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).
营养阶层 (Ref.
69278): 3.6 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (34 of 100).