分類 / Names
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Perciformes (Perch-likes) >
Scombridae (Mackerels, tunas, bonitos) > Scombrinae
Etymology: Euthynnus: Greek, eu = good + Greek, thynnos = tunna (Ref. 45335).
環境 / 気候 / 範囲
生態学
; 海; 海洋回遊性 (Ref. 51243); 深さの範囲 0 - 200 m (Ref. 54439). Tropical; 18°C - 29°C (Ref. 168), preferred 28°C (Ref. 107945); 35°N - 38°S, 32°E - 137°W (Ref. 54439)
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 species, Annex I of the 1982 Convention on the Law of the Sea (Ref. 26139).
Length at first maturity / サイズ / 重さ / 年齢
Maturity: Lm ?, 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)
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. Swim bladder absent. No trace of vertebral protuberances. Anterior spines of first dorsal fin much higher than those mid-way. Interpelvic process small and bifid. Body naked except for corselet and lateral line. Posterior portion of the back with a pattern of broken oblique stripes.
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 (Ref. 9684). Generally marketed canned and frozen; also utilized dried, salted, smoked (Ref. 9684) and fresh (Ref. 9987).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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 (Ref. 94142)
Not Evaluated
人間に対する脅威
Reports of ciguatera poisoning (Ref. 30911)
Human uses
水産業: 高い商業の; ゲームフィッシュ: はい
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対立遺伝子頻度遺伝病気行列Mass conversion
用具
特記事項
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インターネットの情報源
Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00489 - 0.01700), b=3.12 (2.97 - 3.27), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
栄養段階 (Ref.
69278): 4.5 ±0.0 se; Based on diet studies.
回復力 (Ref.
69278): 手段, １．４年～４．４年の倍増期間の最小個体群 (K=0.4-0.5; tm=3; Fec=210,000).
Prior r = 0.58, 2 SD range = 0.35 - 0.97, log(r) = -0.54, SD log(r) = 0.25, Based on: 1 K, 1 tgen, 2 Fec records
弱み (Ref.
59153): Moderate vulnerability (37 of 100) .
