分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 pelagic-neritic; 海洋回遊性; 深さの範囲 3 - 80 m. Subtropical; 13°C - 23°C (Ref. 6); 1°N - 44°S, 110°W - 70°W
Southeast Pacific: from Galapagos to Aguja Point, Peru, south to Easter Island and Chiloé, Chile.
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm 12.0, range 10 - 12.5 cm
Max length : 20.0 cm SL オス/雌雄の選別がない; (Ref. 189); common length : 14.0 cm TL オス/雌雄の選別がない; (Ref. 5504); 最大記録サイズ: 3.00 年 (Ref. 189)
背面の脊椎 (合計) : 0; 肛門の骨: 0. Body elongate, slender, and rounded in cross section; snout long and prominent; lower branch of first gill arch with 34 to 49 gill rakers; anal fin with fewer than 22 rays, located behind dorsal fin base; body shiny blue or green (Ref. 55763). There is a silver stripe along flank in juveniles which disappears with age. The high number of gill rakers distinguishes it from all Pacific species of Anchoa.
Body shape (shape guide): elongated; Cross section: oval.
Adults occur mainly within 80 km of coast, forming huge schools, chiefly in surface waters. Are filter-feeders entirely dependent on the rich plankton of the Peruvian Current. In some studies, diatoms constituted as much as 98% of the diet. Large populations of guano birds and pelicans also depend on this fish (Ref. 9988). Utilized as fish meal and oil (Ref. 9988).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Eggs ellipsoidal.
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: 高い商業の
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) |
PD50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00457 (0.00362 - 0.00577), b=3.13 (3.09 - 3.17), in cm total length, based on LWR estimates for this species (Ref. 93245). |
栄養段階 (参照 69278) |
2.9 ±0.38 se; based on food items. |
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Generation time |
1.3 (1.1 - 1.3) years. Estimated as median ln(3)/K based on 60 growth studies. |
回復力 (参照 120179) |
高い, 15か月以下の倍増期間の最小個体群 (K=0.6-0.9; tm=1; tmax=3; batch fecundity > 10,000). |
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Rate of population increase |
Prior r = 0.83, 95% CL = 0.54 - 1.24, Based on 3 full stock assessments. |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (17 of 100). 🛈 |
気候脆弱性 (Ref. 125649) |
Moderate vulnerability (42 of 100). 🛈 |
価格帯 (Ref. 80766) |
Low.
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栄養素 (Ref. 124155) |
Calcium = 233 [104, 574] mg/100g; Iron = 1.55 [0.73, 3.65] mg/100g; Protein = 18.7 [17.4, 20.0] %; Omega3 = 0.764 [0.444, 1.331] g/100g; Selenium = 16.8 [7.9, 39.6] μg/100g; VitaminA = 11 [2, 47] μg/100g; Zinc = 1.18 [0.73, 1.89] mg/100g (wet weight); |