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The nurse shark (Ginglymostoma cirratum) is an elasmobranch fish in the family Ginglymostomatidae. The conservation status of the nurse shark is globally assessed as Vulnerable in the IUCN List of Threatened Species. [2]
铰口鲨 (学名: Ginglymostoma cirratum),俗称 护士鲨 (英語: Nurse Shark),体长3米,体重可達100千克左右。 白日於海底或岩洞内休息,夜间捕食。 通常以吸食的方式捕捉鱼类、 甲壳类 和软体动物。 嗅觉灵敏。 卵胎生,"怀孕期"10至12月。 每次产卵20至40个,但是由于幼仔在母鱼腹内就会残杀同类,所以只有一至数条小鱼出生。 幼鱼出生时体长便可达40厘米。 參考資料.
铰口鲨(学名:Ginglymostoma cirratum)是铰口鲨科、铰口鲨属鲨鱼。 成年最大体长为为308厘米。 有两个无刺的圆形背鳍,第一个大于第二个,还有一个肛门鳍。 第一背鳍的起点超过骨盆鳍的起点。 尾鳍超过身体总长度的1/4。 末端的嘴位于眼睛前面,尖嘴很小,适度长的触须到达嘴。 有鼻口沟,但没有会阴沟。 成年铰口鲨的颜色一般从浅褐色到深棕色不等。 55厘米以下的幼鲨有小的黑色斑点,每个斑点周围都有较浅的色素沉着区域,覆盖整个身体。 这些是沿背侧表面较浅和较深的色素沉着带。 幼鲨(70-120厘米)的颜色变化有限。 在一次水箱实验中,只被遮盖了几分钟的小型铰口鲨比暴露于阳光直射的个体要轻得多。 也有异常色素沉着的个体出现。
Explore the underwater world of this bottom-dwelling shark. Learn why humans have little to fear, and much to learn, from nurse sharks.
6 Νοε 2018 · The nurse shark (Ginglymostoma cirratum) is a type of carpet shark. This slow-moving bottom dweller is known for its docile nature and adaptation to captivity.
nurse shark. noun [ C ] uk / ˈnɜːs ˌʃɑːk / us / ˈnɝːs ˌʃɑːrk /. Add to word list. a type of shark that sucks food off the sea floor at night and does not move around much from place to place. 护士鲨,铰口鲨.
The Ginglymostomatidae are a cosmopolitan family of carpet sharks known as nurse sharks, containing four species in three genera. [4] Common in shallow, tropical and subtropical waters, these sharks are sluggish and docile bottom-dwellers. [5] They are the most abundant species of shark found in shallow coastal waters. [6]
鉸口鯊 (學名: Ginglymostoma cirratum),俗稱 護士鯊 (英語: Nurse Shark),體長3米,體重可達100千克左右。. 白日於海底或岩洞內休息,夜間捕食。. 通常以吸食的方式捕捉魚類、 甲殼類 和軟體動物。. 嗅覺靈敏。. 卵胎生,"懷孕期"10至12月。. 每次產卵20至40個 ...
The nurse shark is one of the most commonly observed sharks on coral and rocky reefs of the eastern Pacific Ocean and the eastern and western Atlantic Ocean. Given that nurse sharks give live birth and that individuals (even juveniles) have relatively small home ranges, it is surprising that all individuals across this large, tropical to warm ...
Learn about nurse sharks, including their habitat, diet, range and population status, and where you can find them at the National Aquarium.