Names
Scientific Name：Carcharhinus altimus
Classification
Chordata > Cartilaginous fish > Sharks > Whaler sharks > Requiem sharks > Carcharhinus
Descriptions
学名、命名者与年份 : Carcharhinus altimus (Springer, 1950)
棲息深度 : 25 - 500
最大體長 : 300 cm
简介 :
俗名大沙、大鼻白眼鮫、高翅真鯊。棲息於大洋、深海、礁區、25-500公尺，無毒性，可食用，無觀賞價值，是經濟性魚類，分布於全球，產於臺灣東北部，最大體長300 cm，模式種產於美國佛羅里達。
形態特徵 :
體呈紡錘型。2個，背鰭間存在隆脊，第一背鰭中大，鰭高大於基底長，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，後緣稍凹，外角鈍尖，內角鈍圓，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，尾端鈍尖。體背側灰色，腹側灰白；除腹鰭外鰭尖均為黑色；胸鰭內角亦為黑色。
棲所生態 :
棲息於溫、熱帶近海和外海中、底層水域的大型鯊類。通常巡游於大陸棚或島坡邊緣的海域，除幼鯊活動於較淺水域外，一般皆活動於80-225公尺深處。主要3-15尾幼鯊，剛出生之幼鯊體長可達70-90公分。
地理分布 :
分布於全球各溫、熱帶水域。臺灣東北海域可見其蹤跡。
瀕危狀態 : 不在IUCN瀕危名單中
同種異名 :
Carcharhinus albimarginatus, Carcharhinus galapagensis, Carcharhinus obscurus, Carcharhinus radamae, Carcharinus altimus, Carcharinus radamae, Eulamia altima
Data Source : fishdb.sinica.edu.tw
Neighbors
Blacknose shark
Carcharhinus acronotus
Silvertip shark
Carcharhinus albimarginatus
Carcharhinus amblyrhynchoides
Carcharhinus amblyrhynchoides
Grey reef shark
Carcharhinus amblyrhynchos
Pigeye shark
Carcharhinus amboinensis
Carcharhinus borneensis
Carcharhinus borneensis
Carcharhinus brachyurus
Carcharhinus brachyurus
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