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> Carangiformes (Jacks) > Istiophoridae (Billfishes)
Etymology: Makaira: Greek,makaira, -as = happy, rich (Ref. 45335).
More on authors: Jordan & Snyder.
Etymology: Makaira: Greek,makaira, -as = happy, rich (Ref. 45335).
More on authors: Jordan & Snyder.
Taxonomic Remarks
Uncertain as Makaira mazara (Jordan & Snyder 1901). Istiophoridae. Distribution: Tropical and temperate Indo-Pacific [if valid]. ECoF ver. 15 Aug 2025.
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲 生態学
海 pelagic-oceanic; 海洋回遊性 (Ref. 71039); 深さの範囲 0 - 200 m (Ref. 43), usually 100 - ? m (Ref. 6390). Subtropical; 21°C - ? (Ref. 30368); 44°N - 40°S, 30°E - 74°W (Ref. 43)
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-Pacific: in tropical, subtropical and sometimes temperate waters (Ref. 9692). It is the most tropical billfish species and is common in equatorial waters. However, many scientists do not view Makaira mazara and Makaira nigricans as distinct species, and that the latter species has been considered as a single pantropical species occurring in the Atlantic, Pacific and Indian Oceans. Highly migratory species.
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 500 cm TL オス/雌雄の選別がない; (Ref. 30874); common length : 350 cm TL オス/雌雄の選別がない; (Ref. 9308); 最大公表体重: 170.0 kg (Ref. 6390); 最大公表体重: 170.0 kg; 最大記録サイズ: 28 年 (Ref. 30371)
Max length : 500 cm TL オス/雌雄の選別がない; (Ref. 30874); common length : 350 cm TL オス/雌雄の選別がない; (Ref. 9308); 最大公表体重: 170.0 kg (Ref. 6390); 最大公表体重: 170.0 kg; 最大記録サイズ: 28 年 (Ref. 30371)
簡単な記述 検索表 | 形態学 | 形態計測学
背鰭 (合計) : 40 - 45; 臀鰭: 18 - 24; 脊つい: 24. Body elongated and not very compressed; upper jaw produced into a robust but not very long beak; two dorsal fins, the height of the first less then the greatest body depth, short anteriorly, taller in the middle, then becoming shorter posteriorly; pectoral fins falcate and flexible, with 21 to 23 rays; body densely covered with small, embedded scales with 1 or 2 sharp points; back dark blue, with 15 bluish bars across the flanks; belly pale silver; membrane of first dorsal fin blue black, with dark spots (Ref. 55763). Dark blue above, silvery white below; sometimes with light blue vertical stripes; 1st dorsal fin blackish to dark blue, other fins dark brown with tinges of dark blue in some specimens. Body blue-black dorsally and silvery white ventrally, with about 25 pale, cobalt-colored stripes, each consisting of round dots or narrow bars (may not always be visible especially in preserved specimens). Bill long, extremely stout and round in cross section. Nape conspicuously elevated. Right and left branchiostegal membranes completely united together, but free from isthmus. No gill rakers. Body densely covered with elongate, thick, bony scales, each often with 1 or 2, sometimes 3, posterior points. Caudal peduncle with strong double keels on each side and a shallow notch on both the dorsal and ventral surfaces.
Body shape (shape guide): elongated; Cross section: oval.
Body shape (shape guide): elongated; Cross section: oval.
Epipelagic and oceanic species mostly confined to the waters on the warmer side of the 24°C surface isotherm and known to effect seasonal north-south migrations. Not usually seen close to land masses or islands, unless there is a deep drop-off of the shelf. Remain mostly within the upper 37 m. Believed to form small-scale schools of at most 10 individuals. Larger fish tend to swim solitarily (Ref. 43) but smaller ones form schools of about 10 individuals (Ref. 9987). Feed on squids, tuna-like fishes, crustaceans and cephalopods (Ref. 9308). Also caught with troll lines (Ref. 9308). The flesh is of good quality and is marketed frozen and prepared as sashimi and sausages in Japan (Ref. 9308); also utilized fresh (Ref. 9987). Also Ref. 9692.
ライフサイクルと交尾行動 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Spawning probably takes place year-round in equatorial waters to 10° latitude (although 1 study has suggested this needs verification) and during summer periods in both hemispheres to 30° latitude, in both the Indian and Pacific oceans (Ref. 6390).
In the southern hemisphere, concentrations of spawning fish probably occur around French Polynesia (Ref. 30354).
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 | 協力者
Nakamura, I., 1985. FAO species catalogue. Vol. 5. Billfishes of the world. An annotated and illustrated catalogue of marlins, sailfishes, spearfishes and swordfishes known to date. FAO Fish. Synop. 125(5):65p. Rome: FAO. (Ref. 43)
CITES
Not Evaluated
人間に対する脅威
Harmless
人間の用途
水産業: 商業; ゲームフィッシュ: はい
FAO - Publication: search | 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
|
系統多様性指数 (参照 82804) |
PD50 = 0.7505 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.00447 (0.00193 - 0.01034), b=3.14 (2.94 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
|
栄養段階 (参照 69278) |
4.5 ±0.89 se; based on food items. |
| Generation time | 9.5 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
|
回復力 (参照 120179) |
低い, ４．５年～１４年の倍増期間の最小個体群 (rm=0.104; K=0.12-0.29; tm=4; tmax=28; Fec=31 million). |
|
漁業の脆弱性 (Ref. 59153) |
High to very high vulnerability (70 of 100). 🛈 |
|
気候脆弱性 (Ref. 125649) |
Very high vulnerability (84 of 100). 🛈 |
|
価格帯 (Ref. 80766) |
High. |
|
栄養素 (Ref. 124155) |
Calcium = 21.5 [10.2, 35.8] mg/100g; Iron = 0.804 [0.465, 1.353] mg/100g; Protein = 19.6 [18.5, 20.7] %; Omega3 = 0.197 [0.102, 0.367] g/100g; Selenium = 49.6 [25.5, 95.2] μg/100g; VitaminA = 5.18 [1.68, 16.00] μg/100g; Zinc = 0.331 [0.229, 0.481] mg/100g (wet weight); |