Heterodontus francisci (Girard, 1855)
Horn 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. |
| Heterodontus francisci AquaMaps Data sources: GBIF OBIS |
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) > Heterodontiformes (Bullhead and horn sharks) > Heterodontidae (Bullhead, horn, or Port Jackson sharks)
Etymology: Heterodontus: heteros (Gr.), different; odontos (Gr.), tooth, referring to pointy teeth (for clutching prey) at front of jaws, different than rounded molar-like teeth (for grinding hard-shelled invertebrates) at the back (See ETYFish); francisci: Of Francisco, probably referring to San Francisco (city and/or bay), California, USA (although its range does not extend that far north of its type locality, Monterey Bay) (See ETYFish).
Eponymy: The original description has no etymology but the specific name probably derives from the city of San Francisco (although the holotype was collected from Monterey Bay rather than San Francisco Bay). (Ref. 128868), visit book page.
More on author: Girard.
Etymology: Heterodontus: heteros (Gr.), different; odontos (Gr.), tooth, referring to pointy teeth (for clutching prey) at front of jaws, different than rounded molar-like teeth (for grinding hard-shelled invertebrates) at the back (See ETYFish); francisci: Of Francisco, probably referring to San Francisco (city and/or bay), California, USA (although its range does not extend that far north of its type locality, Monterey Bay) (See ETYFish).
Eponymy: The original description has no etymology but the specific name probably derives from the city of San Francisco (although the holotype was collected from Monterey Bay rather than San Francisco Bay). (Ref. 128868), visit book page.
More on author: Girard.
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲 生態学
海 底生の; 深さの範囲 0 - 152 m (Ref. 106604), usually 2 - 11 m (Ref. 9253). Subtropical; 37°N - 15°S, 124°W - 75°W
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
Eastern Pacific: central California, USA to the Gulf of California, and probably Ecuador and Peru.
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm ?, range 59 - ? cm
Max length : 122 cm TL オス/雌雄の選別がない; (Ref. 247); common length : 97.0 cm TL オス/雌雄の選別がない; (Ref. 247); 最大記録サイズ: 12 年 (Ref. 72467)
Max length : 122 cm TL オス/雌雄の選別がない; (Ref. 247); common length : 97.0 cm TL オス/雌雄の選別がない; (Ref. 247); 最大記録サイズ: 12 年 (Ref. 72467)
Sluggish, nocturnal, and mostly solitary species. Inhabit rocky bottoms, kelp beds, sandy draws between rocks, on sand flats, deep crevices and small caves and also large underwater caverns. Adults tend to return to the same resting place every day (Ref. 43278). Feed on benthic invertebrates, especially sea urchins, crabs and probably abalone, also fishes. Oviparous (Ref. 50449). May bite back when harassed. Has broad muscular paired fins used as limbs for clambering on the bottom. Catch reduced to fish meal; fin spines used in production of jewels.
ライフサイクルと交尾行動 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Oviparous (Ref. 205). Distinct pairing with embrace (Ref. 205). Courtship starts when the male chases the female, then when both are ready, they drop to the bottom (Ref. 43278). During courtship and prior to copulation, the male bites and wraps its body to the female pectoral fin, body, tail, and gills (Ref. 51127, 49562). The male then inserts a single clasper in the female's cloaca; copulation lasts 30 to 40 min. After one or two weeks later, the eggs are laid in about 11 to 14 intervals for 4 months which were deposited under rocks or in crevices, as was observed in nature. In captivity, the female drops the eggs on the bottom where the contents of the egg cases maybe eaten by these sharks; the eggs are hatched in 7 to 9 months. The young begin to feed one month after hatching (Ref. 43278).
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
Compagno, L.J.V., 2001. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Vol. 2. Bullhead, mackerel and carpet sharks (Heterodontiformes, Lamniformes and Orectolobiformes). FAO Spec. Cat. Fish. Purp. 1(2):269 p. FAO, Rome. (Ref. 43278)
CITES
Not Evaluated
人間に対する脅威
Traumatogenic (Ref. 247)
人間の用途
水産業: 少数商業の; 水族館・水槽: 公共の水族館
FAO - 水産業: 種の外形; Publication: search | FishSource |
より多くの情報
生理学
体組成
栄養素
酸素消費
水泳タイプ
泳ぐ速さ
視覚色素
フィッシュ・サウンド
病気と寄生虫
毒性（LC50）
体組成
栄養素
酸素消費
水泳タイプ
泳ぐ速さ
視覚色素
フィッシュ・サウンド
病気と寄生虫
毒性（LC50）
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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モデルに基づく推定値
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系統多様性指数 (参照 82804) |
PD50 = 0.5029 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.00437 (0.00233 - 0.00817), b=3.15 (2.98 - 3.32), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
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栄養段階 (参照 69278) |
3.2 ±0.3 se; based on diet studies. |
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回復力 (参照 120179) |
低い, ４．５年～１４年の倍増期間の最小個体群 (Fec=20). |
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漁業の脆弱性 (Ref. 59153) |
High to very high vulnerability (70 of 100). 🛈 |
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価格帯 (Ref. 80766) |
Unknown. |
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栄養素 (Ref. 124155) |
Calcium = 21.1 [4.1, 95.1] mg/100g; Iron = 0.68 [0.18, 2.01] mg/100g; Protein = 19 [17, 21] %; Omega3 = 0.201 [0.090, 0.442] g/100g; Selenium = 28.1 [8.6, 83.2] μg/100g; VitaminA = 7.36 [2.35, 22.58] μg/100g; Zinc = 0.646 [0.318, 1.171] mg/100g (wet weight); |