分類 / Names
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Clupeiformes (Herrings) >
Alosidae (Shads and Sardines)
Etymology: Alosa: Latin, alausa = a fish cited by Ausonius and Latin, halec = pickle, dealing with the Greek word hals = salt; it is also the old Saxon name for shad = "alli" ; 1591 (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態学
海; 新鮮な水; 汽水性の. Temperate; 48°N - 40°N, 27°E - 43°E (Ref. 188)
Eurasia: Black Sea and Sea of Azov.
Length at first maturity / サイズ / 重さ / 年齢
Maturity: Lm 14.0, range 13 - 15 cm
Max length : 33.2 cm TL オス/雌雄の選別がない; (Ref. 96734); 33.8 cm TL (female); common length : 18.0 cm SL オス/雌雄の選別がない; (Ref. 188); 最大公表体重: 331.70 g (Ref. 96734); 最大公表体重: 331.70 g; 最大記録サイズ: 6 年 (Ref. 10547)
背面の脊椎 (合計): 0; 肛門の骨 0. Body fairly elongate, more `herring-like' than `shad-like'. Gill rakers thin and straight, often closely packed and pointed, usually shorter than gill filaments. Teeth well developed in both jaws. Other Black Sea Alosa have more gill rakers (A. caspia 50 to 80 and A. pontica 47 to 66). Sardinella aurita is more slender, has many more gill rakers and i 8 pelvic fin rays.
Non-anadromous, entering limans and lower parts of river deltas, but only occasionally in freshwater. They are more or less abundant in lower reaches of rivers and coastal lagoons. A cold-loving species, tolerating 3 or 4°C.(Ref. 188). At sea, pelagic in deep water and enters brackish lagoons to spawn. Mature adults spawn first at 2 years and many individuals spawn for 2-4 seasons. Eggs sink to bottom. Spent individuals return to the sea to feed. In autumn, they migrate to southern Black Sea to overwinter. Juveniles migrate to the sea or estuaries during the first summer (Ref. 59043). Adults feed mainly on small fishes (mainly sprats and anchovies) also on shrimps, gammarids and other large crustaceans (Ref. 188). In northern Black Sea, the decline in habitat quality in suitable estuarine ecosystems is expected to have an impact in the immediate future (Ref. 59043).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Juveniles migrate to sea or remain in estuaries during their first summer (Ref. 59043). In autumn, they migrate to southern Black Sea to overwinter. As spring approaches, they start to move into brackish lagoons to spawn until early summer. After spawning, spent fish return to sea to feed. Many individuals spawn for 2-4 seasons (Ref. 59043).
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)
Human uses
水産業: 少数商業の
より多くの情報
参考文献水産養殖水産養殖の紹介緊張遺伝子のElectrophoreses遺伝病気行列NutrientsMass conversion
協力者画像Stamps, Coins Misc.音シガテラ（食中毒の名前）速度泳ぐ 型式カマOtoliths脳視覚
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00418 - 0.01256), b=3.05 (2.90 - 3.20), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 4.4 ±0.8 se; based on diet studies.
回復力 (Ref.
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (tmax=6).
Fishing Vulnerability (Ref.
59153): Low vulnerability (24 of 100).
