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Candiru
Candiru (English and Portuguese or ''candirú'' in Spanish), ''Vandellia cirrhosa'', also known as ''cañero'', ''toothpick fish'', or ''vampire fish'', is a species of parasitic freshwater catfish in the family ''Trichomycteridae'' native to the Amazon Basin where it is found in the countries of Bolivia, Brazil, Colombia, Ecuador and Peru.
The definition of ''candiru'' differs between authors. The word has been used to refer to only ''Vandellia cirrhosa'', the entire genus ''Vandellia'', the subfamily Vandelliinae, or even the two subfamilies Vandelliinae and Stegophilinae.〔 〕
Although some candiru species have been known to grow to a size of in length, others are considerably smaller. These smaller species are known for an alleged tendency to invade and parasitise the human urethra; however, despite ethnological reports dating back to the late 19th century, the first documented case of the removal of a candiru from a human urethra did not occur until 1997, and even that incident has remained a matter of controversy.
==Description==
Candirus are small fish. Adults can grow to around with a rather small head and a belly that can appear distended, especially after a large blood meal. The body is translucent, making it quite difficult to spot in the turbid waters of its home. There are short sensory barbels around the head, together with short, backward pointing spines on the gill covers.〔Piper, Ross (2007), ''Extraordinary Animals: An Encyclopedia of Curious and Unusual Animals'', Greenwood Press, ISBN 978-0-313-33922-6.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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