長鰭鯖鯊















 

如何讀生物分類框
長鰭鯖鯊

Isurus paucus.jpg


保护状况


Status iucn3.1 VU zh.svg
易危（IUCN 3.1）


科學分類


































界：
動物界 Animalia
門：
脊索動物門 Chordata
綱：
軟骨魚綱 Chondrichthyes

亞綱：
板鰓亞綱 Elasmobranchii
目：
鼠鯊目 Lamniformes
科：
鼠鯊科 Lamnidae
屬：
鯖鯊屬 Isurus
種：
長鰭鯖鯊 I. paucus


二名法

Isurus paucus
Guitart Manday, 1966

Cypron-Range Isurus paucus.svg


長鰭鯖鯊（學名Isurus paucus），又名長臂灰鯖鯊，是鼠鯊科中大型的鯊魚，分佈在溫帶及熱帶的海域。牠們一般被稱為馬加鯊，「馬加」是其英文名的「mako」的譯音。


長鰭鯖鯊可長成超過4米長，背部呈深藍色，腹部呈白色。胸鰭與頭部一樣，或甚至更長，鰭身較闊。鼻尖較鈍，一般都不甚尖銳。上下顎的牙齒筆直。尾鰭呈半月型，有非常長及低的突出位。牠們一般都是較幼身的，闊的胸鰭代表牠們游得比其近親的尖吻鯖鯊較慢。


長鰭鯖鯊的陣速可以超過每小時60里，並且可以躍起至6米高。


長鰭鯖鯊是卵胎生的，妊娠期約為15-18個月。在長鰭鯖鯊母體內的胚胎會互相消耗對方來取得養份，每胎只有兩頭幼鯊出生，這是子宮內同類相食。


長鰭鯖鯊又名馬加鯊，馬加是來自毛利語，但意思不明。[1][2]



註腳





  1. ^ Maori language - a glossary of useful words from the language of the Maori New Zealand. [2006-08-11]. 


  2. ^ Online Etymology Dictionary. [2006-08-11]. 




參考



  • Froese, Rainer & Daniel Pauly, eds. (2006). Isurus paucus in FishBase. 2006年March月版本

  • Tony Ayling & Geoffrey Cox, Collins Guide to the Sea Fishes of New Zealand, (William Collins Publishers Ltd, Auckland, New Zealand 1982) ISBN 0-00-216987-8




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