個人による観察記録の追加 Fish Watcher
| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Euthynnus affinis AquaMaps Data sources: GBIF OBIS |
分類 / 名前 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
> Scombriformes (Mackerels) > Scombridae (Mackerels, tunas, bonitos) > Scombrinae
Etymology: Euthynnus: Greek, eu = good + Greek, thynnos = tunna (Ref. 45335).
Etymology: Euthynnus: Greek, eu = good + Greek, thynnos = tunna (Ref. 45335).
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 (Ref. 71039); 深さの範囲 0 - 200 m (Ref. 54439). Tropical; 18°C - 29°C (Ref. 168); 35°N - 38°S, 19°E - 137°W (Ref. 54439)
分布 領土 | 国連食糧農業機関の区域 | エコシステム | 事件 | 目的のマップ | 導入 | Faunafri
Indo-West Pacific: in warm waters including oceanic islands and archipelagos. A few stray specimens have been collected in the Eastern Central Pacific. Highly migratory.
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm 42.3, range 40 - 65 cm
Max length : 100.0 cm FL オス/雌雄の選別がない; (Ref. 168); common length : 60.0 cm FL オス/雌雄の選別がない; (Ref. 168); 最大公表体重: 14.0 kg (Ref. 30874); 最大記録サイズ: 6 年 (Ref. 121508)
Max length : 100.0 cm FL オス/雌雄の選別がない; (Ref. 168); common length : 60.0 cm FL オス/雌雄の選別がない; (Ref. 168); 最大公表体重: 14.0 kg (Ref. 30874); 最大記録サイズ: 6 年 (Ref. 121508)
簡単な記述 検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 10 - 15; 背鰭 (合計) : 11 - 15; 肛門の骨: 0; 臀鰭: 11 - 15; 脊つい: 39. This species is distinguished by the following characters: medium-sized fish with a robust, elongate and fusiform body; teeth small and conical, in a single series; total gill rakers on first gill arch 29-34; D1 XI-XIV with both dorsal fins separated by only a narrow interspace (not wider than eye), anterior spines of first fin much higher than those midway, giving fin a strongly concave outline; D2 much lower than first and followed by 8-10 finlets; anal fin followed by 6-8 finlets; pectoral fins short, never reaching interspace between dorsal fins; 2 flaps (interpelvic process) between pelvic fins; very slender caudal peduncle with a prominent lateral keel between 2 small keels at base of caudal fin; body naked except for corselet and lateral line. Colour of back dark blue with a complicated striped pattern which does not extend forward beyond middle of first dorsal fin; lower sides and belly silvery white; several characteristic dark spots between pelvic and pectoral fins (but may not always be present) (Ref. 9684, 90102).
Body shape (shape guide): fusiform / normal; Cross section: oval.
Body shape (shape guide): fusiform / normal; Cross section: oval.
Occurs in open waters but always remains close to the shoreline. The young may enter bays and harbors. Forms multi-species schools by size with other scombrid species comprising from 100 to over 5,000 individuals. A highly opportunistic predator feeding indiscriminately on small fishes, especially on clupeoids and atherinids; also on squids, crustaceans and zooplankton. Caught in multispecies fisheries, mainly by surface trolling; also with gill nets. Generally marketed canned and frozen; also utilized dried, salted, smoked and fresh (Ref. 9684).
ライフサイクルと交尾行動 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
主な参考文献
参考文献のアップロード | 参考文献 | コーディネーター : Collette, Bruce B. | 協力者
Collette, B.B. and C.E. Nauen, 1983. FAO Species Catalogue. Vol. 2. Scombrids of the world. An annotated and illustrated catalogue of tunas, mackerels, bonitos and related species known to date. Rome: FAO. FAO Fish. Synop. 125(2):137 p. (Ref. 168)
CITES
Not Evaluated
人間に対する脅威
Reports of ciguatera poisoning (Ref. 30911)
人間の用途
水産業: 高い商業の; ゲームフィッシュ: はい
FAO - 水産業: 種の外形, landings search; Publication: search | FIRMS - Stock assessments | FishSource | 私達の周りの海
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インターネットの情報源
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モデルに基づく推定値
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系統多様性指数 (参照 82804) |
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.00977 (0.00845 - 0.01130), b=3.05 (3.01 - 3.09), in cm total length, based on LWR estimates for this species (Ref. 93245). |
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栄養段階 (参照 69278) |
4.5 ±0.0 se; based on diet studies. |
| Generation time | 1.6 (1.2 - 2.5) years. Estimated as median ln(3)/K based on 11 growth studies. |
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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 (K=0.60; tm>2; tmax=6). |
| Rate of population increase | Prior r = 0.88, 95% CL = 0.58 - 1.32, Based on 5 full stock assessments. |
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漁業の脆弱性 (Ref. 59153) |
Moderate vulnerability (36 of 100). 🛈 |
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気候脆弱性 (Ref. 125649) |
High to very high vulnerability (75 of 100). 🛈 |
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価格帯 (Ref. 80766) |
Medium. |
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栄養素 (Ref. 124155) |
Calcium = 20.9 [9.6, 171.3] mg/100g; Iron = 2.28 [0.88, 5.97] mg/100g; Protein = 23.1 [21.1, 24.7] %; Omega3 = 0.235 [0.129, 0.428] g/100g; Selenium = 70.6 [35.4, 143.5] μg/100g; VitaminA = 20.2 [5.4, 77.8] μg/100g; Zinc = 0.408 [0.211, 1.643] mg/100g (wet weight); based on nutrient studies. |