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Life Cycle

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Oviparous, distinct pairing during breeding (Ref. 205).
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Recorder
Susan M. Luna
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Biology

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Inhabits rocky areas of coastal waters. Found in small groups (Ref. 9710).
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Cristina V. Garilao
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分布

provided by The Fish Database of Taiwan
分布於西北太平洋區,包括台灣及日本。台灣北部、東北部、南部及各離島均有記錄。
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臺灣魚類資料庫
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利用

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主要捕獲的漁法是延繩釣、一支釣、流刺網及籠具等,而本種魚亦是潛水鏢魚的對象以及水族館展示魚種。
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描述

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體延長而略側扁。雄魚額部突出,使吻部呈陡直狀;雌魚則略隆起而使頭背部幾成直線。後鼻孔並不明顯的大於前鼻孔。齒板之外表面平滑,上齒板不完全被上唇所覆蓋;每一上咽骨具1列臼齒狀之咽頭齒。背鰭前中線鱗約6;頰鱗3列。胸鰭具15軟條;尾鰭於幼魚時圓形,成體為截形。幼魚體呈黑褐色,體側及頭部具2-3條白縱紋。初期階段(IP, Initial phase)的雌魚體色為灰藍色;鱗緣為橙色;頭部為灰綠色;鰓蓋為橙色;各鰭為橙色,後緣為藍色。終期階段(TP, Terminal phase)的雄魚體色為藍綠色;鱗片外緣為黑色;頭為藍綠色;由上而下漸淺;頜部為黃色;鰭色和IP期相同,但背鰭及胸鰭的前緣為黃色。
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棲地

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主要棲息於沿岸水域的岩石區。形成小群魚群。
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Knobsnout parrotfish

provided by wikipedia EN

The knobsnout parrotfish (Scarus ovifrons) is a species of marine ray-finned fish, a parrotfish, in the family Scaridae which is famous for its characteristic blue color. It lives in reefs and coral reefs. It grows to a maximum length of about 90 cm. Its body is a strong blue color, and may have reddish-brown, white, or black spots on it. Adult fish have whitish spots on their cheeks and a lump on their foreheads. Young fish have no spots on their cheeks or lumps on their foreheads. It is found in the northwestern Pacific Ocean off Japan and Taiwan.[2]

References

  1. ^ Russell, B.; Myers, R.; Choat, J.H.; Clements, K.D.; Rocha, L.A.; Lazuardi, M.E.; Muljadi, A.; Pardede, S.; Rahardjo, P. (2012). "Scarus ovifrons". IUCN Red List of Threatened Species. 2012: e.T190743A17787954. doi:10.2305/IUCN.UK.2012.RLTS.T190743A17787954.en. Retrieved 20 November 2021.
  2. ^ Froese, Rainer; Pauly, Daniel (eds.) (2019). "Scarus ovifrons" in FishBase. DEcember 2019 version.
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Knobsnout parrotfish: Brief Summary

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The knobsnout parrotfish (Scarus ovifrons) is a species of marine ray-finned fish, a parrotfish, in the family Scaridae which is famous for its characteristic blue color. It lives in reefs and coral reefs. It grows to a maximum length of about 90 cm. Its body is a strong blue color, and may have reddish-brown, white, or black spots on it. Adult fish have whitish spots on their cheeks and a lump on their foreheads. Young fish have no spots on their cheeks or lumps on their foreheads. It is found in the northwestern Pacific Ocean off Japan and Taiwan.

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