Isurus oxyrinchus, Shortfin mako : fisheries, gamefish

Isurus oxyrinchus Rafinesque, 1810

Shortfin mako
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Isurus oxyrinchus   AquaMaps   Data sources: GBIF OBIS
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分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, ) | ITIS | CoL | WoRMS | Cloffa

板鰓亜鋼(サメとエイ類) (sharks and rays) > Lamniformes (Mackerel sharks) > Lamnidae (Mackerel sharks or white shark)
Etymology: Isurus: Greek, isos = equal + Greek, oura = tail (Ref. 45335).  More on author: Rafinesque.

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

; 海; 海洋回遊性 (Ref. 51243); 深さの範囲 0 - 750 m (Ref. 106604), usually 100 - 150 m (Ref. 36731).   Subtropical; 16°C - ? (Ref. 9988); 61°N - 56°S, 180°W - 180°E

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

Cosmopolitan in temperate and tropical seas (Ref. 6871, 11230). Western Atlantic: Gulf of Maine to southern Brazil and Argentina (Ref. 58839), including the Gulf of Mexico and Caribbean. Eastern Atlantic: Norway to South Africa, including the Mediterranean. Indo-Pacific: East Africa to Hawaii, north to Primorskiy Kray (Russian Federation), south to Australia and New Zealand. Eastern Pacific: south of Aleutian Islands and from southern California, USA to Chile.

Length at first maturity / サイズ / 重さ / 年齢

Maturity: Lm 277.5, range 275 - 285 cm
Max length : 445 cm TL オス/雌雄の選別がない; (Ref. 106604); common length : 270 cm TL オス/雌雄の選別がない; (Ref. 5217); 最大公表体重: 505.8 kg (Ref. 4699); 最大記録サイズ: 32 年 (Ref. 86588)

簡単な記述 形態学 | 形態計測学

背面の脊椎 (合計): 0; 背鰭 (合計): 0; 肛門の骨 0; 臀鰭: 0. A large, spindle-shaped shark with large black eyes, a sharp snout, and large, narrow, hooked teeth with smooth edges (Ref. 5578). Caudal fin lunate, lower lobe strongly developed (Ref. 13574). Dark blue above, white below (Ref. 6581). Tiny second dorsal and anal fins (Ref. 26938).

生物学     用語集 (例 epibenthic)

Oceanic, but sometimes found close inshore (Ref. 6871, 11230, 58302). Usually in surface waters (Ref. 30573), down to about 150 m (Ref. 26938, 11230). Coastal, epipelagic at 1->500 m (Ref. 58302). Isotope analysis has shown that shortfin mako is the highest level fish predator in oceanic waters off eastern Australia (Ref. 86961). Adults feed on bony fishes, other sharks (Ref. 5578), cephalopods; larger individuals may feed on larger prey such as billfish and small cetaceans (Ref. 6871, 58048). Ovoviviparous, embryos feeding on yolk sac and other ova produced by the mother (Ref. 43278, 50449). With 4-16 young of about 60-70 cm long (Ref. 35388, 26346). Gestation period lasts 15-18 months, spawning cycle is every 3 years. Some authors (Refs. 1661, 28081, 31395) have erroneously assumed that two age rings are deposited per year by this species, thus underestimating longevity, age at maturity, and resilience . These data have been removed and replaced by recent, verified estimates (Refs. 86586, 86587, 86588). Tagging in New Zealand indicates seasonal migrations (Ref. 26346). The presence of genetic differentiation in mitochondrial DNA across global populations (Ref. 36416) suggests dispersal may be male-biased, and that females may have natal site-fidelity. Shortfin mako has been shown to have a marked sexually segregated population structure (Ref. 86954). Shortfin mako is probably the fastest of all sharks and can leap out of the water when hooked (Ref. 6871). Potentially dangerous and responsible for unprovoked attacks on swimmers and boats (Ref. 13574). Utilized fresh, dried or salted, smoked and frozen; eaten broiled and baked (Ref. 9988). Valued for its fine quality meat as well as its fins and skin (Ref. 247). Oil is extracted for vitamins and fins for shark-fin soup (Ref. 13574). Jaws and teeth are also sold as ornaments and trophies (Ref. 9988). by Kabasakal & de Maddalena, 2011 reported a historical record of a larger specimen, caught in the Mediterranean Sea off Turkey, about 585 cm (TL estimated from photographs) (Ref. 106604).

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

Exhibit ovoviparity (aplacental viviparity), with embryos feeding on other ova produced by the mother (oophagy) after the yolk sac is absorbed (Ref. 50449). With up to 18 young in a litter (Ref. 26346). Gives birth to litters of 4-25 (usually 10-18) pups after a gestation period of 15-18 months; reproduces every 3 years (Ref.58048). Size at birth between 60 and 70 cm (Ref. 247). Distinct pairing with embrace (Ref. 205).

主な参考文献 Upload your references | 参考文献 | コーディネーター : Compagno, Leonard J.V. | 協力者

Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)

IUCNのレッドリストの状況は (Ref. 123251)

  絶滅危惧に近い (NT) ; Date assessed: 16 June 2004

CITES (Ref. 123416)


人間に対する脅威

  Traumatogenic (Ref. 247)





Human uses

水産業: 少数商業の; ゲームフィッシュ: はい
FAO - 水産業: landings, 種の外形; 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

Estimates based on models

Preferred temperature (Ref. 115969): 9.7 - 24.4, mean 17.4 °C (based on 598 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.7813   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00646 (0.00386 - 0.01080), b=3.03 (2.88 - 3.18), 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.
Generation time: 14.8 (10.1 - 22.4) years. Estimated as median ln(3)/K based on 10 growth studies.
回復力 (Ref. 120179):  低い, 4.5年~14年の倍増期間の最小個体群 (rm=0.051; tm=8-20; tmax=32; Fec=4).
Prior r = 0.24, 95% CL = 0.11 - 0.54, Based on 3 stock assessments.
弱み (Ref. 59153):  Very high vulnerability (83 of 100) .
価格帯 (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 12 [1, 43] mg/100g ; Iron = 0.957 [0.268, 2.392] mg/100g ; Protein = 20.7 [18.2, 22.8] % ; Omega3 = 0.395 [0.173, 0.830] g/100g ; Selenium = 28.5 [8.1, 74.7] μg/100g ; VitaminA = 8.36 [2.81, 25.28] μg/100g ; Zinc = 0.358 [0.173, 0.760] mg/100g (wet weight); based on nutrient studies.