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| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Eusphyra blochii AquaMaps Data sources: GBIF OBIS |
分類 / 名稱 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii 板鰓亞綱 (鯊魚與魟魚) (sharks and rays) > Carcharhiniformes (Ground sharks) 真鯊目 (Ground sharks) > Sphyrnidae (Hammerhead, bonnethead, or scoophead sharks) 丫髻鮫科 (Hammerhead, bonnethead, or scoophead sharks)
Etymology: Eusphyra: eu- (Gr.), good, well or very; sphyra (Gr.), hammer, referring to immense hammer-shaped head (See ETYFish); blochii: In honor of physician-naturalist Marcus Elieser Bloch (1723-1799), who described and illustrated this shark in 1785, which he identified as Squalus zygaena (See ETYFish).
Eponymy: Marcus Élieser Bloch (1723–1799) was a German physician and naturalist specialising in ichthyology. [...] (Ref. 128868), visit book page.
More on author: Cuvier.
Etymology: Eusphyra: eu- (Gr.), good, well or very; sphyra (Gr.), hammer, referring to immense hammer-shaped head (See ETYFish); blochii: In honor of physician-naturalist Marcus Elieser Bloch (1723-1799), who described and illustrated this shark in 1785, which he identified as Squalus zygaena (See ETYFish).
Eponymy: Marcus Élieser Bloch (1723–1799) was a German physician and naturalist specialising in ichthyology. [...] (Ref. 128868), visit book page.
More on author: Cuvier.
Issue
Eusphyra laticeps (Cantor, 1837) is a valid species after Fernando et al 2019 (Ref. 120444).
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍 生態學
海洋; 半鹹淡水 底中水層性; 非產卵性溯降河的 (Ref. 87829). 熱帶; 31°N - 20°S, 47°E - 154°E
分布 領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Indo-West Pacific: Persian Gulf to the Philippines, north to China, south to Australia.
印度-西太平洋: 波斯灣到菲律賓,北至中國, 南至澳洲。
印度-西太平洋: 波斯灣到菲律賓,北至中國, 南至澳洲。
初熟時的長度 / 大小 / 重量 / 年齡
簡短描述 檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 0; 臀棘: 0. Grey or grey-brown above, paler below. Expanded lateral blades of head very narrow and wing-like, with a series of small bumps along edges in front of nostrils; width across head 40 or 50% of total length. Nostrils enormously expanded, each nearly 2 times the mouth head (Ref 13562).
Body shape (shape guide): elongated.
背面灰色的或灰褐色, 腹面灰白的。 擴大了頭部的側面葉片非常狹窄而翼狀的, 有一系列的小腫塊在鼻孔之前沿著邊緣; 橫過頭部 40 或 50% 的全長的寬度。 鼻孔非常地擴大, 每個幾乎兩倍嘴巴頭部 (參考文獻 13562).
Body shape (shape guide): elongated.
背面灰色的或灰褐色, 腹面灰白的。 擴大了頭部的側面葉片非常狹窄而翼狀的, 有一系列的小腫塊在鼻孔之前沿著邊緣; 橫過頭部 40 或 50% 的全長的寬度。 鼻孔非常地擴大, 每個幾乎兩倍嘴巴頭部 (參考文獻 13562).
Found in shallow water on continental and insular shelves (Ref. 244). Enters estuaries (Ref. 4832). Feeds mainly on small teleost fishes but also takes crustaceans and cephalopods (Ref. 13562). Viviparous (Ref. 50449), with 6 to 25 pups in a litter (Ref. 6871). Has a remarkable wing-shaped head which is nearly or quite half of its body length, the function of which is uncertain, maybe for maneuvering or for increasing the surface area of some of the sense organs (Ref. 244). Probably harmless to people (Ref. 13562). Caught commonly, but in low numbers, by inshore gillnet fisheries. Particularly common in catches off Kalimantan (Ref.58048). Probably a common fisheries species where it occurs (Ref. 13562). Meat utilized for human consumption; liver is a source of vitamin oil (Ref. 244). Offal probably utilized for fishmeal (Ref. 13562). Reported to reach 300 cm TL (Ref. 58784).
在大陸棚與島嶼棚上發現於淺水區.。 (參考文獻 244) 進入河口。 (參考文獻 4832) 主要吃小的硬骨魚也捕食甲殼動物與頭足類動物.(參考文獻 13562) 胎生的 (參考文獻 50449), 6 到 25個幼胎一胎.(參考文獻 6871) 有一個顯著的翼-形狀的頭部幾乎是或者相當一半它的體長, 功能是不確定的, 也許為驅動或為增加一些感覺器官的表面區域.(參考文獻 244) 可能對人無害.(參考文獻 13562) 可能一個普遍經濟魚種在那裡它出現.(參考文獻 13562) 肉供人類消費使用.; 肝臟是一個維他命油的來源。 (參考文獻 244) 碎肉可能利用.魚粉。 (參考文獻 13562) 報告達到 300 公分TL 。 (參考文獻 58784)
在大陸棚與島嶼棚上發現於淺水區.。 (參考文獻 244) 進入河口。 (參考文獻 4832) 主要吃小的硬骨魚也捕食甲殼動物與頭足類動物.(參考文獻 13562) 胎生的 (參考文獻 50449), 6 到 25個幼胎一胎.(參考文獻 6871) 有一個顯著的翼-形狀的頭部幾乎是或者相當一半它的體長, 功能是不確定的, 也許為驅動或為增加一些感覺器官的表面區域.(參考文獻 244) 可能對人無害.(參考文獻 13562) 可能一個普遍經濟魚種在那裡它出現.(參考文獻 13562) 肉供人類消費使用.; 肝臟是一個維他命油的來源。 (參考文獻 244) 碎肉可能利用.魚粉。 (參考文獻 13562) 報告達到 300 公分TL 。 (參考文獻 58784)
生命週期和交配行為 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Viviparous, placental (Ref. 50449), with 6 to 25 in a litter after a gestation period of 8 (Ref.58048) -11 months (Ref. 6871). Size at birth between 32 and 45 cm TL (Ref. 13562).印度-西太平洋: 波斯灣到菲律賓,北至中國, 南至澳洲。
主要參考資料
上傳您的推薦信 | 參考文獻 | 合作者 : Compagno, Leonard J.V. | 合作者
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 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)
對人類具威脅
無害處的 (Ref. 13562)
人類使用
漁業: 商業性
FAO - Publication: search | FishSource |
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基於模型的估計
首選溫度 (參考文獻 123201): 25.2 - 29.1, mean 28.3 °C (based on 970 cells).
系統發育多樣性指數 (參考文獻 82804): PD50 = 0.7501 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00513 (0.00274 - 0.00960), b=3.24 (3.07 - 3.41), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
營養階層 (參考文獻 69278): 4.2 ±0.6 se; based on diet studies.
回復力 (參考文獻 120179): 非常低的, 最小族群倍增時間超過14 年 (Fec=6).
營養素 (Ref. 124155): Calcium = 16.6 [2.7, 88.0] mg/100g; Iron = 0.526 [0.132, 1.586] mg/100g; Protein = 18.9 [16.9, 21.1] %; Omega3 = 0.129 [0.056, 0.295] g/100g; Selenium = 76.7 [22.3, 229.5] μg/100g; VitaminA = 19 [8, 48] μg/100g; Zinc = 0.721 [0.349, 1.352] mg/100g (wet weight);