Names
Scientific Name：Carcharhinus brachyurus
Classification
Chordata > Cartilaginous fish > Sharks > Whaler sharks > Requiem sharks > Carcharhinus
Descriptions
学名、命名者与年份 : Carcharhinus brachyurus (Günther, 1870)
棲息深度 : 0 - 100
最大體長 : 325 cm
简介 :
俗名大沙、短尾白眼鮫、黑鯊。棲息於大洋、礁區、0-100公尺，無毒性，可食用，無觀賞價值，是經濟性魚類，分布於全球，產於臺灣東部、南部、東北部，最大體長325 cm，模式種產於紐西蘭。
形態特徵 :
體呈紡錘型，軀幹較粗大。2個，背鰭間無隆脊，第一背鰭中大，起點與胸鰭內角相對，後緣深凹，下角尖突；第二背鰭小，起點稍後於臀鰭起點，後緣斜直，後角尖突；胸鰭大型，鐮刀形，後緣凹入，外角鈍圓，內角亦鈍圓，鰭端伸達第一背鰭基底後端；尾鰭寬長，尾椎軸上揚，下葉前部顯著三角形突出，中部低平延長，與後部間有一深缺刻，後部小三角形突出，尾端鈍圓。體背側青銅灰色或灰橄櫃色，腹側灰白；各鰭通常
棲所生態 :
棲息於大陸棚或島嶼斜坡緣的沿海或近海大型鯊類，偶而出現於河口區域、港灣淺水域、沿岸沙灘區或近海底層。具有洄游習性，在北半球的族群，春夏時，遷移至北方較冷水域；秋冬時，遷移至南方較溫暖水域。主要以大洋性或底棲魚類、13-20尾幼鯊，剛出生之幼鯊體長可達60-70公分。
地理分布 :
分布於全球各溫、熱帶水域。臺灣東北及西南海域可見其蹤跡。
瀕危狀態 : IUCN 瀕危狀態:易危(VU)A2d+3d+4d
同種異名 :
Carcharhinus acarenatus, Carcharhinus ahenea, Carcharhinus improvisus, Carcharhinus remotoides, Carcharhinus remotus, Carcharhinus rochensis, Carcharias brachyurus, Carcharias lamiella, Carcharias remotus, Carcharinus improvisus, Eulamia ahenea, Galeolamna ahenea, Galeolamna eblis
Data Source : fishdb.sinica.edu.tw
Neighbors
Blacknose shark
Carcharhinus acronotus
Silvertip shark
Carcharhinus albimarginatus
Carcharhinus altimus
Carcharhinus altimus
Carcharhinus amblyrhynchoides
Carcharhinus amblyrhynchoides
Grey reef shark
Carcharhinus amblyrhynchos
Pigeye shark
Carcharhinus amboinensis
Carcharhinus borneensis
Carcharhinus borneensis
Spinner shark
Carcharhinus brevipinna
Carcharhinus caquetius
Carcharhinus caquetius
Carcharhinus cautus
Carcharhinus cautus
Carcharhinus coatesi
Carcharhinus coatesi
Whitecheek Shark
Carcharhinus dussumieri
Silky shark
Carcharhinus falciformis
Carcharhinus fitzroyensis
Carcharhinus fitzroyensis
Galapagos shark
Carcharhinus galapagensis
Pondicherry shark
Carcharhinus hemiodon
Human’s whaler shark
Carcharhinus humani
Finetooth shark
Carcharhinus isodon
Carcharhinus leiodon
Carcharhinus leiodon
Bull shark
Carcharhinus leucas
Blacktip shark
Carcharhinus limbatus
Oceanic whitetip shark
Carcharhinus longimanus
Hardnose shark
Carcharhinus macloti
Carcharhinus macrops
Carcharhinus macrops
Blacktip reef shark
Carcharhinus melanopterus
Dusky shark
Carcharhinus obscurus
Lost Shark
Carcharhinus obsolerus
Caribbean reef shark
Carcharhinus perezii
Sandbar shark
Carcharhinus plumbeus
Smalltail shark
Carcharhinus porosus
Carcharhinus sealei
Carcharhinus sealei
Carcharhinus signatus
Carcharhinus signatus
Spottail shark
Carcharhinus sorrah
Carcharhinus tilstoni
Carcharhinus tilstoni
Carcharhinus tjutjot
Carcharhinus tjutjot
Carcharhinus wheeleri
Carcharhinus wheeleri