分類 / 名前
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Clupeiformes (Herrings) >
Pristigasteridae (Pristigasterids)
Etymology: Chirocentrodon: Greek, cheir = hand + Greek, kentron = sting + Greek, odous = teeth (Ref. 45335).
Eponymy: Dr Pieter Bleeker (1819–1878) was an ichthyologist and army surgeon commissioned (1841) by the Dutch East India Company. [...] (Ref. 128868), visit book page.
More on author: Poey.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海; 汽水性の pelagic-neritic; 深さの範囲 20 - 60 m (Ref. 12225). Tropical; 24°N - 25°S, 90°W - 32°W (Ref. 188)
Western Atlantic: Cuba, Haiti, Jamaica, Puerto Rico, Trinidad; Panama and coasts of Venezuela, including off Orinoco mouth, Guyana, Suriname south to Ubatuba, near Santos, Brazil. Antilles and southern Caribbean from Yucatan to Santos, Brazil (Ref. 26938).
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm 7.6  range ? - ? cm
Max length : 16.1 cm TL オス/雌雄の選別がない; (Ref. 118626); common length : 9.0 cm TL オス/雌雄の選別がない; (Ref. 5217); 最大公表体重: 19.30 g (Ref. 118626)
背面の脊椎 (合計) : 0; 肛門の骨: 0; 臀鰭: 38 - 44. Belly with 16 or 17 (rarely 19) + 9 to 11, total 26 to 28 (rarely 30) scutes. Lower jaw not strongly projecting; strong conical teeth in both jaws, continued as large and small teeth along maxilla blade. Easily recognized by large, canine-like teeth in both jaws (Ref. 26938). Dorsal fin origin behind midpoint of body; anal fin moderately long, its origin below or in front of dorsal fin origin.
Body shape (shape guide): elongated; Cross section: compressed.
Occurs in coastal areas, but also in lagoons and off river mouths, perhaps entering water of lowered salinity (Ref. 12225). In Southwestern Atlantic preys on proportionally large clupeoid fishes and caridean shrimps. Fishes are distinctively folded in the stomachs of this herring, in about 90% of the cases with their heads and tails pointing head-wards the predator. This herring stands out as the only small-sized species among the predaceous fish-eating clupeiforms. The well developed canine-like teeth are likely related to a piscivorous diet and may play a role in the folding and orientation of fish during prey handling and swallowing (Ref. 51383). Spawns during the northern winter (Ref. 37032).
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))
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
好ましい温度 (参照
123201): 25.2 - 27.7, mean 27.1 °C (based on 45 cells).
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=0.00427 (0.00297 - 0.00613), b=3.02 (2.92 - 3.12), in cm total length, based on LWR estimates for this species (Ref.
93245).
栄養段階 (参照
69278): 3.3 ±0.43 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 (10 of 100).
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