Loxodon macrorhinus Müller & Henle, 1839
Sliteye shark
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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. |
| Loxodon macrorhinus AquaMaps Data sources: GBIF OBIS |
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Loxodon macrorhinus
拍攝者 Randall, J.E.
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拍攝者 Randall, J.E.
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) > Carcharhinidae (Requiem sharks) 白眼鮫科 (Requiem sharks)
Etymology: Loxodon: loxos (Gr.), slanting; odon (Gr.), tooth, probably referring to oblique teeth cusps [name first published with no included species; species added by Müller & Henle in 1839] (See ETYFish); macrorhinus: macro-, from makros (Gr.), long; rhinos (Gr.), nose, probably referring to its long, narrow snout (See ETYFish).
More on authors: Müller & Henle.
Etymology: Loxodon: loxos (Gr.), slanting; odon (Gr.), tooth, probably referring to oblique teeth cusps [name first published with no included species; species added by Müller & Henle in 1839] (See ETYFish); macrorhinus: macro-, from makros (Gr.), long; rhinos (Gr.), nose, probably referring to its long, narrow snout (See ETYFish).
More on authors: Müller & Henle.
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍 生態學
海洋 居於水底的; 深度上下限 7 - 100 m (Ref. 6871). 熱帶; 34°N - 32°S, 30°E - 157°E
分布 領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Indo-West Pacific: Red Sea to South Africa, east to Indonesia, north to Japan, south to Australia and Papua New Guinea.
印度-西太平洋: 紅海而且東非到印尼,北至日本, 南至澳洲。
印度-西太平洋: 紅海而且東非到印尼,北至日本, 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. A small, very slim shark with a long, narrow snout, big eyes with rear notches, short labial furrows, and small, oblique-cusped teeth with smooth edges; 2nd dorsal fin small, low and behind larger anal fin; interdorsal ridge rudimentary or absent (Ref. 5578). Grey above, pale below, fins with pale edges (transparent in life), caudal and first dorsal fins with narrow dark margin, first dorsal fin also with a dusky tip (Ref. 9997).
Body shape (shape guide): fusiform / normal.
一種小的, 非常瘦的鯊魚有一個長的, 狹窄的吻, 大的眼睛有後面的凹槽，短唇溝, 與小的, 斜的尖牙有平滑的邊緣; 第二背鰭鰭小的, 低的而且在較大的臀鰭後面; 間背脊不發達的或不存在.(參考文獻 5578) 背面灰色的﹐腹面灰白的, 鰭有灰白的邊緣 (透明的活著時), 尾鰭與第一背鰭鰭有狹窄的深色邊, 第一背鰭也有一個暗色的尖端.(參考文獻 9997)
Body shape (shape guide): fusiform / normal.
一種小的, 非常瘦的鯊魚有一個長的, 狹窄的吻, 大的眼睛有後面的凹槽，短唇溝, 與小的, 斜的尖牙有平滑的邊緣; 第二背鰭鰭小的, 低的而且在較大的臀鰭後面; 間背脊不發達的或不存在.(參考文獻 5578) 背面灰色的﹐腹面灰白的, 鰭有灰白的邊緣 (透明的活著時), 尾鰭與第一背鰭鰭有狹窄的深色邊, 第一背鰭也有一個暗色的尖端.(參考文獻 9997)
Found on continental and insular shelves; mainly near the bottom (Ref. 6871). Feeds on small bony fishes, shrimps and cuttlefish (Ref. 244). Viviparous (Ref. 50449); gives birth annually to litters of 2-4 pups (Ref. 58048). Caught in artisanal and small scale commercial fisheries (Ref. 9997). Utilized fresh for human consumption (Ref. 244); meat and fins, but of limited value due to its small size (Ref. 58048).
棲息於大陸棚與島嶼棚了; 主要地在底部的附近.(參考文獻 6871) 吃小的硬骨魚類，蝦與墨魚。 (參考文獻 244) 胎生的.(參考文獻 50449) 在魚民與小鱗片商業的漁場捕獲了。 (參考文獻 9997) 生鮮使用供人類消費.(參考文獻 244)
棲息於大陸棚與島嶼棚了; 主要地在底部的附近.(參考文獻 6871) 吃小的硬骨魚類，蝦與墨魚。 (參考文獻 244) 胎生的.(參考文獻 50449) 在魚民與小鱗片商業的漁場捕獲了。 (參考文獻 9997) 生鮮使用供人類消費.(參考文獻 244)
生命週期和交配行為 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Viviparous, with a yolk-sac placenta; 2-4 pups per litter. Size at birth 40-43 cm; 54-55 cm TL (Ref.58048). Distinct pairing with embrace (Ref. 205).印度-西太平洋: 紅海而且東非到印尼,北至日本, 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. 244)
人類使用
漁業: 商業性; 游釣魚種: 是的
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基於模型的估計
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系統發育多樣性指數 (參考文獻 82804) |
PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.00490 (0.00229 - 0.01045), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
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營養階層 (參考文獻 69278) |
4.0 ±0.4 se; based on diet studies. |
| Generation time | 3.3 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
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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=2). |
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釣魚的脆弱性 (Ref. 59153) |
Moderate to high vulnerability (46 of 100). 🛈 |
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價格種類 (Ref. 80766) |
Medium. |