分類 / 名前
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Clupeiformes (Herrings) >
Engraulidae (Anchovies) > Engraulinae
Etymology: Pterengraulis: Greek, pteron = wing, fin + Greek, eggraylis, -eos = anchovy (Ref. 45335).
More on author: Linnaeus.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水; 汽水性の 外洋の. Tropical; 11°N - 7°S, 64°W - 36°W (Ref. 189)
Western Central and South Atlantic coasts and drainage (Orinoco delta, the Guianas, south to Ceará, Brazil).
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 30.0 cm TL オス/雌雄の選別がない; (Ref. 37032); common length : 20.0 cm TL オス/雌雄の選別がない; (Ref. 5217)
背面の脊椎 (合計) : 0; 肛門の骨: 0; 臀鰭: 28 - 32. Snout short, about 2/3 eye diameter; maxilla moderate, tip bluntly rounded, not quite or just reaching lower jaw articulation; lower gill rakers short, with often a single rudimentary raker in front. Pectoral fins large, reaching beyond pelvic fin base; anal fin origin in front of dorsal fin origin. Silver lateral stripe along flank, broad anteriorly, narrowing over anal fin.
Body shape (shape guide): elongated; Cross section: compressed.
Occurs in estuaries and freshwater bodies, reaching some distance inland (at least 17 km up the Suriname River; to above Santarem on the Amazon). The short and few gillrakers suggest predatory feeding on small fishes, etc. Locally consumed (Ref. 5217).
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., G.J. Nelson and T. Wongratana, 1988. 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(7/2):305-579. Rome: FAO. (Ref. 189)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
水産業: 少数商業の
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): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00308 - 0.00816), b=3.09 (2.95 - 3.23), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
栄養段階 (参照
69278): 3.9 ±0.67 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 vulnerability (20 of 100).
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