PEMYDOCEPHALUS IJIMAE

Ijima's Turtle-headed Sea Snake

飯島氏海蛇

保育等級: 非保育類

劇毒!



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穿梭於珊瑚間的飯島氏海蛇

穿梭於珊瑚間的飯島氏海蛇(近拍)

 

更多圖片

與海蛇共舞 - 取自 DC View 達人部落格

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家族
眼鏡蛇科, 海蛇亞科

 

最大長度 85 cm

 

台灣棲地分布

綠島蘭嶼 周圍

 

全球棲地分佈

中國,台灣,菲律賓,日本 (琉球群島),印度尼西亞,菲律賓及摩鹿加群島,北至日本,南至薩摩亞群島的西太平洋地區。

 

Description

 

Small snake; total length up to 85 cm. There are 15-19 (17-19 at mid-body) rows of scales, which are smooth and imbricated, and there is a row of large hexagonal scales along the vertebral line. Head is small, cuboidal, and not distinct from neck; body is moderately stout and highly compressed laterally; tail is laterally compressed, sides with vertically elongated scales. Nostril (with a lid) faces upward. Eye is medium-sized. Fangs are degenerated. There are 2 prefrontals and no internasals or loreals. Head is black and marked with a cross band of yellow to orange anterior to eyes, extending backward and downward to the base of jaw. Body and tail are yellow to orange, encircled by black, wave-edged bands; the black band is slightly broader than or similar to the yellow-orange one in width. Anal scale is divided and subcaudals are paired.

 

生態描述l

此日夜雙行的蛇種居住於珊瑚礁及佈滿岩石的海底。為胎生,母體一次大約會產下兩隻仔蛇。

牠們唯一的食物來源為魚卵:「牠們利用硬化的吻部鱗片將魚卵由岩石上刮起,並利用鼻尖的尖刺挖起魚卵。牠們的顎部肌肉組織是很獨特的,毒牙較小,大概是由於他們需要利用吸力才能將魚卵吸入嘴裡。」 (資料來源) 

 

學名與俗名

Emydocephalus: 源自於希臘文 emys = 烏龜的,cephale = 頭,指出此類蛇種的特殊頭形;

ijimae = 為紀念日本東京大學理科飯島教授而命名。

附註

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更多資訊

Reptile Database

Wikipedia - Sea Snakes 

翻譯:吳念佳

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