Thunnus albacares, Yellowfin tuna : fisheries, aquaculture, gamefish

Thunnus albacares (Bonnaterre, 1788)

Yellowfin tuna
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Thunnus albacares
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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 > Perciformes (Perch-likes) > Scombridae (Mackerels, tunas, bonitos) > Scombrinae
Etymology: Thunnus: Greek, thynnos = tunna (Ref. 45335).  More on author: Bonnaterre.

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

; 海; 汽水性の; 海洋回遊性 (Ref. 51243); 深さの範囲 1 - 250 m (Ref. 6390), usually 1 - 100 m (Ref. 55289).   Tropical; 15°C - 31°C (Ref. 168); 59°N - 48°S, 180°W - 180°E

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Worldwide in tropical and subtropical seas, but absent from the Mediterranean Sea. 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 103.3, range 78 - 158 cm
Max length : 239 cm FL オス/雌雄の選別がない; (Ref. 40637); common length : 150 cm FL オス/雌雄の選別がない; (Ref. 168); 最大公表体重: 200.0 kg (Ref. 26550); 最大記録サイズ: 9 年 (Ref. 72462)

簡単な記述 形態学 | 形態計測学

背面の脊椎 (合計): 11 - 14; 背鰭 (合計): 12-16; 肛門の骨 0; 臀鰭: 11 - 16; 脊つい: 39. This large species is distinguished by the following characters: elongate, fusiform body, slightly compressed laterally; total gill rakers on first gill arch 26-34; dorsal fins 2 and separated only by a narrow interspace, the second followed by 8-10 finlets; anal fin followed by 7 to 10 finlets; large specimens may have very long second dorsal and anal fins, becoming well over 20% of fork length; pectoral fins moderately long, usually reaching beyond second dorsal-fin origin but not beyond end of its base, usually 22-31% of FL; 2 flaps (interpelvic process) between pelvic fins; body with very small scales; corselet of larger scales developed but not very distinct; caudal peduncle very slender, bearing on each side a strong lateral keel between 2 smaller keels; no striations on ventral surface of liver; swimbladder present. Colour of back metallic dark blue changing through yellow to silver on belly; belly frequently crossed by about 20 broken, nearly vertical lines; dorsal and anal fins, and dorsal and anal finlets bright yellow, the finlets with a narrow black border (Ref. 9684).

生物学     用語集 (例 epibenthic)

An oceanic species occurring above and below the thermoclines. Pelagic in open water , but rarely seen near reefs (Ref. 48637). They school primarily by size, either in monospecific or multi-species groups. Larger fish frequently school with porpoises, also associated with floating debris and other objects. Feed on fishes, crustaceans and squids. It is sensitive to low concentrations of oxygen and therefore is not usually caught below 250 m in the tropics (Ref. 28952, 30329). Peak spawning occurs during the summer, in batches (Ref. 9684, 51846). Eggs and larvae are pelagic (Ref. 6769). Encircling nets are employed to catch schools near the surface (Ref. 9340). Caught mainly with longlines and purse seines. Marketed mainly fresh, frozen, canned (Ref. 9684), but also smoked (Ref. 9987). Highly valued for sashimi (Ref. 26938).

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

Spawn throughout the tropical and equatorial waters of the major oceans (Ref. 6390). At higher latitudes, spawning is seasonal, with peaks in summer; may continue throughout the year at lower latitudes (Ref. 6390). Yellowfin tuna are multiple spawners, ie they spawn every few days over the spawning period (Ref. 6390). Eggs and sperm are released into the water for fertilisation (Ref. 6390).

主な参考文献 Upload your references | 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)

IUCNのレッドリストの状況は (Ref. 120744)

  絶滅危惧に近い (NT) ; Date assessed: 18 February 2011

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

水産業: 高い商業の; 水産養殖: 実験の; ゲームフィッシュ: はい
FAO(水産養殖: 代謝; 水産業: 代謝, 種の外形; publication : search) | FIRMS (Stock assessments) | FishSource | 私達の周りの海

用具

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インターネットの情報源

Estimates based on models

Preferred temperature (Ref. 115969): 16.5 - 28.9, mean 26.7 (based on 6382 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5039   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01479 (0.01185 - 0.01847), b=3.01 (2.97 - 3.05), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
栄養段階 (Ref. 69278):  4.4   ±0.4 se; Based on diet studies.
Generation time: 3.0 (2.4 - 3.7) years. Estimated as median LN(3)/K based on 49 growth 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 (K=0.13-0.42; tm=2-5; tmax=8; Fec=200,000).
Prior r = 0.57, 95% CL = 0.37 - 0.85, Based on 5 stock assessments.
弱み (Ref. 59153):  Moderate to high vulnerability (51 of 100) .
価格帯 (Ref. 80766):   High.