分类 / Names
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Teleostei >
Clupeiformes (Herrings) >
Ehiravidae (River sprats)
Etymology: Clupeoides: Latin, clupea = sardine, derived from Clupeus = shield; + Greek, oides = similar (Ref. 45335).
More on authors: Ramsay & Ogilby.
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
; 淡水 大洋性. 熱帶; 4°S - 8°S
分布
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Asia and Oceania: Papua New Guinea (Strickland and Fly Rivers) and Indonesia (Digul River in Irian Jaya); possibly more widespread.
亞洲與大洋洲: 巴布亞新幾內亞 (斯特里克蘭與飛河) 與印尼 (在伊裡安加亞的迪古爾河); 可能更廣泛分佈。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 8.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 2847)
背棘 (总数) : 0; 背的软条 (总数) : 12 - 18; 臀棘: 0; 臀鳍软条: 16 - 27. Body moderately elongate, belly sharply keeled, with (9) 10 or 11 (12) + (7) 8 or 9 (10) scutes. Snout blunt, pre-maxillae short and toothless, but prominent teeth in lower jaw; second supra-maxilla short, about half length of maxilla blade. Pectoral axillary scale small, less than 1/3 length of fin. A silver stripe along flank, tapering anteriorly.
Body shape (shape guide): fusiform / normal; Cross section: oval.
身体中等细长的, 腹面锐利地龙骨, 具有 (9)10 或 11(12)+(7)8 或 9(10)个鳞甲。 吻钝的, 前颚短与无齿的, 但是在下颌中的突出齿; 第二个上颚骨颚骨叶片的短又大约一半长度。 胸的腋窝鳞片小的, 少于鳍的 1/3 长度。 一条银色的斑纹沿着侧面, 尖端细的前面地。
Occurs in rivers with sand and mud bottoms (Ref. 2847). Feeds on small insect larvae and zooplankton (Ref. 2847).
用沙与泥底部出现于河。 (参考文献 2847) 吃小的昆虫幼生与浮游动物。 (参考文献 2847)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
亞洲與大洋洲: 巴布亞新幾內亞 (斯特里克蘭與飛河) 與印尼 (在伊裡安加亞的迪古爾河); 可能更廣泛分佈。
Whitehead, P.J.P., 1985. FAO Species Catalogue. Vol. 7. Clupeoid fishes of the world (suborder Clupeoidei). An annotated and illustrated catalogue of the herrings, sardines, pilchards, sprats, shads, anchovies and wolf-herrings. FAO Fish. Synop. 125(7/1):1-303. Rome: FAO. (Ref. 188)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-1)
人类利用
渔业: 自给性渔业
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Estimates based on models
Phylogenetic diversity index (参考文献
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00366 - 0.02072), b=3.03 (2.83 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 3.3 ±0.43 se; based on food items.
回复力 (参考文献
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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