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| Native range | All suitable habitat | Point map | Year 2050 |
|
| This map was computer-generated and has not yet been reviewed. |
| Isurus paucus AquaMaps Data sources: GBIF OBIS |
アップロード 写真 そして ビデオ
画像 | グーグルの画像
Isurus paucus
画像によって Montealegre-Quijano, S.
画像 | グーグルの画像
画像によって Montealegre-Quijano, S.
分類 / 名前 共通名の | 類義語 | Catalog of Fishes(部類, 種) | 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: isos (Gr.), equal; oura (Gr.), tail, referring to caudal-fin lobes of I. oxyrinchus being equal in length (except that they are not; the upper is clearly longer) (See ETYFish); paucus: Latin for scarce, referring to its relative rarity compared with I. oxyrinchus (See ETYFish).
Etymology: Isurus: isos (Gr.), equal; oura (Gr.), tail, referring to caudal-fin lobes of I. oxyrinchus being equal in length (except that they are not; the upper is clearly longer) (See ETYFish); paucus: Latin for scarce, referring to its relative rarity compared with I. oxyrinchus (See ETYFish).
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. 87829); 深さの範囲 0 - 1752 m (Ref. 106604). Subtropical; 46°N - 38°S, 180°W - 180°E (Ref. 43278)
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
Western Atlantic: Gulf Stream and Florida, USA; also Cuba. Reported from southern Brazil (Ref. 13574). Eastern Atlantic: Guinea, Ghana. Western Indian Ocean: Madagascar. Pacific Ocean: Taiwan, near Phoenix Island, and north of Hawaii (Ref. 13574).
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm 216.5, range 205 - 228 cm
Max length : 427 cm TL オス/雌雄の選別がない; (Ref. 106604); 417.0 cm TL (female); common length : 200 cm TL オス/雌雄の選別がない; (Ref. 5217)
Max length : 427 cm TL オス/雌雄の選別がない; (Ref. 106604); 417.0 cm TL (female); common length : 200 cm TL オス/雌雄の選別がない; (Ref. 5217)
簡単な記述 検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 0; 肛門の骨: 0. Pectoral fins about as long as head or longer, relatively broad-tipped in young and adults; snout usually narrowly to bluntly pointed, usually not acute; cusps of upper and lower anterior teeth straighter, with tips not reversed (Ref. 43278). Caudal fin lunate, with a very long lower lobe (Ref. 13574). Dark blue above, white below, with dusky markings on underside of snout, around mouth (Ref. 6581).
Body shape (shape guide): fusiform / normal.
Body shape (shape guide): fusiform / normal.
Oceanic species that probably approaches land to give birth (Ref. 13574, 58302). Epipelagic (Ref. 58302). Presumably feeds on schooling fishes and pelagic cephalopods (Ref. 247). Ovoviviparous, embryos feeding on yolk sac and other ova produced by the mother (Ref. 50449). With 2 pups in a litter (Ref. 247). Potentially dangerous because of its large size and big teeth (Ref. 13574). Utilized fresh, frozen, and dried or salted for human consumption (Ref. 247); meat (lower quality), fins (high value in adults), jaws (highly prized), skin and cartilage (Ref.58048).
ライフサイクルと交尾行動 成熟 | 繁殖 | 放精 | 卵 | 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 litters of 2-8 pups (Ref. 247, Ref.58048). Distinct pairing with embrace (Ref. 205). Born at 97-120 cm TL (Ref.58048).
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 : 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)
人間に対する脅威
Traumatogenic (Ref. 13574)
人間の用途
水産業: 少数商業の
FAO - 水産業: 着陸, 種の外形; Publication: search | FishSource | 私達の周りの海
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モデルに基づく推定値
好ましい温度 (参照 123201): 8.9 - 26.1, mean 18 °C (based on 1232 cells).
系統多様性指数 (参照 82804): PD50 = 0.7813 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00409 - 0.02131), b=3.04 (2.85 - 3.23), 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 ±0.0 se; based on diet studies.
回復力 (参照 120179): 非常に低い, １４年以上の倍増期間の最小個体群 (Fec=2).
栄養素 (Ref. 124155): Calcium = 6.65 [1.91, 34.35] mg/100g; Iron = 0.692 [0.170, 2.038] mg/100g; Protein = 20.6 [18.2, 22.8] %; Omega3 = 0.407 [0.162, 0.985] g/100g; Selenium = 41.2 [12.8, 118.0] μg/100g; VitaminA = 6.83 [2.21, 22.76] μg/100g; Zinc = 0.328 [0.165, 0.612] mg/100g (wet weight);