分類 / 名前
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Clupeiformes (Herrings) >
Dorosomatidae (Gizzard shads and sardinellas)
Etymology: Dorosoma: Greek, doris = lance + Greek, soma = body (Ref. 45335); petenense: Named after the type locality, Lake Peten, Yucatan (Ref. 10294).
Eponymy: This is a toponym referring to Lake Petén, Guatemala, the type locality. (Ref. 128868), visit book page.
More on author: Günther.
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海; 新鮮な水; 汽水性の pelagic-neritic; 昇流魚 (Ref. 138280); 深さの範囲 0 - 15 m (Ref. 39049). Subtropical; 20°C - 30°C (Ref. 115833); 42°N - 15°N, 159°W - 81°W (Ref. 188)
North and Central America: Gulf of Mexico drainage, Mississippi system, from the Ohio River of Kentucky and southern Indiana southwest to Oklahoma, and south to Texas and Florida, also rivers around the Gulf to northern Guatemala; also Belize River, British Honduras. Introduced in Hawaiian waters (Ref. 188) and in Chesapeake Bay tributaries (Ref. 93252).
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm 5.2, range 5 - 5.5 cm
Max length : 33.0 cm TL オス/雌雄の選別がない; (Ref. 96339); common length : 10.0 cm SL オス/雌雄の選別がない; (Ref. 9291); 最大記録サイズ: 4 年 (Ref. 12193)
背面の脊椎 (合計) : 0; 背鰭 (合計) : 11 - 15; 肛門の骨: 0; 臀鰭: 17 - 27; 脊つい: 43 - 44. Body moderately deep; belly with 15 to 18 + 8 to 12 scutes. Mouth small. Last dorsal fin ray long, about equal to distance from snout tip to mid-pectoral fin or beyond; anal fin relatively short. Scales relatively large, regularly arranged. A dark spot behind gill opening. Gill rakers fine and numerous (Ref. 188). Body bright silvery, especially on sides, opercles and underparts. Back and upper sides bluish black or dark olivaceous (Ref. 37032).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Often schooling, occurring mainly in freshwater (in large rivers, reservoirs, lakes, and swamps). Adults prefer the presence of smooth, steep-sided surfaces such as dams, cement-lined pools and rip rapped streams (Ref. 39049). But they are also found in brackish or saline water of estuaries and bays (up to 32.3 ppt salinity (Ref. 39050); juveniles to about 15 ppt). Larvae are pelagic probably found only in freshwater (Ref. 39046). Filter-feeders, but not entirely herbivorous since recorded food items include copepods, cladocerans and fish fry. Also feed on organic material of sand and detritus bottoms (Ref. 9114). Breed in the spring and in autumn, in freshwater, near or over plants or other objects. Eggs adhere to aquatic vegetation (Ref. 4639). Caught exclusively in fresh waters and sometimes in mouths of rivers (Ref. 9291). Also Ref. 58302.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Breed in spring and again in autumn, in open waters near or over plants or other objects; eggs slightly adhesive (Ref. 188). Females can produce 5,000 to 20,000 eggs depending upon their size (Ref. 44091).
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: 少数商業の; 餌: usually
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): 23.3 - 28.1, mean 25.5 °C (based on 182 cells).
系統多様性指数 (参照
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00535 - 0.01418), b=2.99 (2.85 - 3.13), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
栄養段階 (参照
69278): 2.8 ±0.1 se; based on diet studies.
回復力 (参照
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (tm=1-2; tmax=4; Fec=800).
漁業の脆弱性 (Ref.
59153): Low vulnerability (23 of 100).
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栄養素 (Ref.
124155): Calcium = 116 [71, 204] mg/100g; Iron = 1.74 [1.04, 2.98] mg/100g; Protein = 19.5 [18.4, 20.6] %; Omega3 = 0.499 [0.289, 0.845] g/100g; Selenium = 14.5 [7.5, 28.1] μg/100g; VitaminA = 18.6 [7.2, 48.4] μg/100g; Zinc = 1.18 [0.82, 1.68] mg/100g (wet weight);
