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Notorynchus cepedianus (Péron, 1807)
Broadnose sevengill shark
個人による観察記録の追加 Fish Watcher
| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Notorynchus cepedianus AquaMaps Data sources: GBIF OBIS |
Argentina country information
Common names:
[No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Also Ref. 58839.
National Checklist: Argentina
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ar.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Compagno, L.J.V., 1984
National Database:
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Also Ref. 58839.
National Checklist: Argentina
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ar.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Compagno, L.J.V., 1984
National Database:
Common names from other countries
分類 / Names 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) > Hexanchiformes (Frill and cow sharks) > Hexanchidae (Cow sharks)
Etymology: Notorynchus: Etymology not explained, presumably noto(s) (Gr.), back, possibly referring to posterior placement of single dorsal fin; rhynchus (L.), snout, possibly referring to broad, depressed snout (See ETYFish); cepedianus: -anus, Latin adjectival suffix that means, when attached to a name, “belonging to”: Bernard Germain Étienne de La Ville-sur-Illon, comte de [count of] La Cepède (also spelled as La Cépède, Lacépède and Lacepède, 1756-1825), author of Histoire Naturelle des Poissons (1798-1803) and Péron’s “illustrious master” (translation) in ichthyology (See ETYFish).
Eponymy: Bernard Germaine Etienne de la Ville, Comte de Lacépède (also spelled La Cepède) (1756– 1825), was a French naturalist and politician. [...] (Ref. 128868), visit book page.
Etymology: Notorynchus: Etymology not explained, presumably noto(s) (Gr.), back, possibly referring to posterior placement of single dorsal fin; rhynchus (L.), snout, possibly referring to broad, depressed snout (See ETYFish); cepedianus: -anus, Latin adjectival suffix that means, when attached to a name, “belonging to”: Bernard Germain Étienne de La Ville-sur-Illon, comte de [count of] La Cepède (also spelled as La Cépède, Lacépède and Lacepède, 1756-1825), author of Histoire Naturelle des Poissons (1798-1803) and Péron’s “illustrious master” (translation) in ichthyology (See ETYFish).
Eponymy: Bernard Germaine Etienne de la Ville, Comte de Lacépède (also spelled La Cepède) (1756– 1825), was a French naturalist and politician. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range 生態学
海; 汽水性の 底生の; 深さの範囲 0 - 570 m (Ref. 26346), usually ? - 80 m (Ref. 5578). Subtropical; 56°N - 55°S, 131°W - 177°E (Ref. 54680)
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
Circumglobal: In tropical to temperate waters; except North Atlantic and Mediterranean Sea. Southwest Atlantic: southern Brazil to northern Argentina. Southeast Atlantic: Namibia to East London, South Africa (Ref. 5578). Western Pacific: southern Japan to New Zealand. Eastern Pacific: British Columbia, Canada to Chile. Record from India maybe erroneous.
Length at first maturity / サイズ / 重さ / 年齢
Maturity: Lm 200.0, range 192 - 208 cm
Max length : 300 cm TL オス/雌雄の選別がない; (Ref. 5578); common length : 150 cm TL オス/雌雄の選別がない; (Ref. 6077); 最大公表体重: 107.0 kg (Ref. 9987); 最大記録サイズ: 49 年 (Ref. 27952)
Max length : 300 cm TL オス/雌雄の選別がない; (Ref. 5578); common length : 150 cm TL オス/雌雄の選別がない; (Ref. 6077); 最大公表体重: 107.0 kg (Ref. 9987); 最大記録サイズ: 49 年 (Ref. 27952)
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; 脊つい: 123 - 157. A large seven-gilled cowshark (Ref. 5578) with a wide head, short and blunt snout, and fusiform body. Dorsal fin small, origin may vary from over insertion of pelvic fins to over free rear tips of pelvic fins. Anal fin smaller than dorsal fin. Tooth count 15-16/13. Reddish-brown to silvery-grey or olive-brown with numerous small black spots on body and fins; cream below (Ref. 5578).
Found on the continental shelf, often in shallow water (Ref. 247). Occurs close inshore, in bays and estuaries (Ref. 6871), with larger individuals ranging into deeper waters offshore and deep channels in bays (Ref. 247). Usually cruising steadily and slowly near the bottom (sometimes in water as shallow as a meter), but sometimes at the surface (Ref. 247). Can dash at speed when attacking prey (Ref. 247). Feeds on anything, including other sharks, rays, chimaeras, bony fish, hagfish, dolphin and porpoise meat, seals, shark egg cases, sea snails and mammalian carrion, including rats and humans (Ref. 5578). Ovoviviparous (Ref. 50449), with 82 to 95 young in a litter (Ref. 31395). Aggressive when provoked, and regarded as potentially dangerous to people in open waters (Ref. 247). It has attacked divers in captivity and may be involved in a few shark attacks off California and South Africa (Ref. 247). Often caught by anglers from the shore (Ref. 6574). Utilized for human consumption, its skin for leather, and its liver as a source of oil (Ref. 247).
Life cycle and mating behavior 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Ovoviviparous, embryos feeding solely on yolk (Ref. 50449), with number of young reaching 82 in a litter. Gravid females apparently drop their young in shallow bays. Size at birth between 40 (Ref. 26346) and 53 (Ref. 247) cm. Distinct pairing with embrace (Ref. 205). Gestation period 12 months. The reproductive cycle appears to be biennial (Ref. 45445).
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)
Human uses
水産業: 商業; ゲームフィッシュ: はい; 水族館・水槽: 公共の水族館
FAO(水産業: 代謝, 種の外形; publication : search) | FishSource | 私達の周りの海
より多くの情報
Population dynamics
成長のパラメーター
Max. ages / sizes
Length-weight rel.
Length-length rel.
体長組成
Mass conversion
補充
豊度
成長のパラメーター
Max. ages / sizes
Length-weight rel.
Length-length rel.
体長組成
Mass conversion
補充
豊度
Physiology
Body composition
Nutrients
酸素消費
水泳形態
泳ぐ速さ
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
酸素消費
水泳形態
泳ぐ速さ
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
用具
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特記事項
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インターネットの情報源
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Estimates based on models
Preferred temperature (Ref. 115969): 7.5 - 19.2, mean 14.2 (based on 122 cells).
Phylogenetic diversity index (Ref. 82804): PD50 = 1.0781 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00240 (0.00101 - 0.00571), b=3.14 (2.93 - 3.35), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278): 4.7 ±0.2 se; based on diet studies.
回復力 (Ref. 120179): 非常に低い, １４年以上の倍増期間の最小個体群 (rm=0.026; K=0.25; tm=16; tmax=32; Fec=82-95).
Fishing Vulnerability (Ref. 59153): High vulnerability (57 of 100).
Climate Vulnerability (Ref. 125649): High vulnerability (64 of 100).