分類 / 名前
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Clupeiformes (Herrings) >
Ehiravidae (River sprats)
Etymology: Clupeoides: Latin, clupea = sardine, derived from Clupeus = shield; + Greek, oides = similar (Ref. 45335).
More on authors: Weber & deBeaufort.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水 外洋の. Tropical; 5°S - 8°S
Asia and Oceania: Indonesia (Lorentz River, Irian Jaya) and Papua New Guinea (Fly River); probably in other southwest-flowing rivers in area.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 9.0 cm SL オス/雌雄の選別がない; (Ref. 2847)
背面の脊椎 (合計) : 0; 背鰭 (合計) : 12 - 18; 肛門の骨: 0; 臀鰭: 16 - 27. Body moderately deep, belly sharply keeled, with 9 to 12 + 7 to 9 scutes. Snout blunt, pre-maxillae short and toothless, but prominent teeth in lower jaw; second supra-maxilla short, a little over half length of maxilla blade. Pectoral axillary scale small, less than 1/3 length of fin. A silver stripe along flank.
Body shape (shape guide): fusiform / normal; Cross section: compressed.
The only clupeid in the world known to inhabit mountainous rivers (Ref. 2847). Occurs in streams with gravel or stony bottoms and feeds primarily on aquatic insect larvae (Ref. 2847).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
脆弱 (VU) (B2ab(iii,iv)); Date assessed: 02 March 2017
人間の用途
水産業: 食糧水産
用具
特記事項
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照 82804) |
PD50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00891 (0.00376 - 0.02110), b=3.02 (2.82 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.2 ±0.40 se; based on food items. |
回復力 (参照 120179) |
高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.). |
漁業の脆弱性 (Ref. 59153) |
Low to moderate vulnerability (28 of 100). 🛈 |
価格帯 (Ref. 80766) |
Low.
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