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Gulf Coast waterdog : ウィキペディア英語版 | Gulf Coast waterdog
The Gulf Coast waterdog, speckled waterdog or Beyer’s waterdog (''Necturus beyeri'') is a species of aquatic salamanders native to Louisiana, Mississippi, and Texas in the United States. ==Description== Gulf Coast waterdogs grow to lengths of 6.0-8.5 in and are an overall brown in color, with lighter brown and black speckling. Due to their entirely aquatic nature, their legs are short, with four-toed feet. They have external gills, which look like feathery appendages on either side of their heads. They have paddle-shaped, flattened tails. Gulf Coast waterdogs have the largest known amphibian genome, with over 100 billion base pairs.〔http://www.genomesize.com/statistics.php?stats=amphibs〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Gulf Coast waterdog」の詳細全文を読む
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