Alosa chrysochloris, Skipjack shad : fisheries, gamefish

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Alosa chrysochloris (Rafinesque, 1820)

Skipjack shad
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Alosa chrysochloris   AquaMaps   Data sources: GBIF OBIS
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Image of Alosa chrysochloris (Skipjack shad)
Alosa chrysochloris
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分類 / Names 共通名の | 類義語 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

条鰭類 > Clupeiformes (Herrings) > Clupeidae (Herrings, shads, sardines, menhadens) > Alosinae
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);  chrysochloris: From the words chryso, meaning gold and chloris, meaning green (Ref. 10294).  More on author: Rafinesque.

Environment: milieu / climate zone / depth range / distribution range 生態学

; 海; 新鮮な水; 汽水性の; 昇流魚 (Ref. 51243).   Subtropical; 45°N - 23°N, 100°W - 82°W (Ref. 188)

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Western Central Atlantic: Gulf of Mexico (from Corpus Christi in Texas eastward to Pensacola in Florida; also in rivers, e.g. Mississippi and Ohio Rivers to Minnesota, Wisconsin and Pennsylvania).

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 50.0 cm SL オス/雌雄の選別がない; (Ref. 188); common length : 37.5 cm SL オス/雌雄の選別がない; (Ref. 188); 最大公表体重: 1.7 kg (Ref. 4699); 最大記録サイズ: 4 年 (Ref. 12193)

簡単な記述 形態学 | 形態計測学

背面の脊椎 (合計): 0; 肛門の骨 0. Belly with a distinct keel of scutes. Lower jaw not rising steeply within mouth; teeth prominent at front of lower jaw. Lower gill rakers slender. Back bluish green, abruptly changing to silver on flank; no dark spot at shoulder. Closely resembles A. mediocris of Atlantic coasts, which has no upper and weak lower jaw teeth, a dark shoulder spot and the body deeper than head length (Ref. 188).

生物学     用語集 (例 epibenthic)

Generally present in coastal marine water (Ref. 37039). Enter brackish- and freshwaters, but perhaps not always or not consistently anadromous (Ref. 188), although strongly migratory within rivers (Ref. 10294) , mostly in fast-flowing water where they are renowned for leaping. Feed on small fishes, the juveniles on insects. Spawning times and places not certain. Adults serve as hosts to the larvae (glochidia) of the economically valuable pearly mussel (Fusconaia ebena) of the Mississippi basin (Ref. 188).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | | 生産力 | 幼生

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

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. 120744)

  軽度懸念 (LC) ; Date assessed: 13 March 2018

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

水産業: 少数商業の; ゲームフィッシュ: はい
FAO(Publication : search) | FishSource |

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共通名の
類義語
代謝
捕食動物
生態毒性
繁殖
成熟
放精
卵の集合体
生産力

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Length-length
体長組成
形態計測学
形態学
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参考文献
水産養殖
水産養殖の紹介
緊張
遺伝子の
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シガテラ(食中毒の名前)
速度
泳ぐ 型式
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Otoliths

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インターネットの情報源

Estimates based on models

Preferred temperature (Ref. 115969): 23.1 - 24.6, mean 23.9 (based on 126 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00661 (0.00390 - 0.01120), b=2.99 (2.84 - 3.14), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.9   ±0.63 se; Based on food items.
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=4).
弱み (Ref. 59153):  Moderate to high vulnerability (46 of 100) .
価格帯 (Ref. 80766):   Low.