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The pygmy shark, ''Euprotomicrus bispinatus'', the second-smallest of all the shark species after the dwarf lanternshark, is a sleeper shark of the Dalatiidae family, the only member of the genus ''Euprotomicrus''. Their length is up to about 25 cm (10 in) for females and about 22 cm (8.7 in) for males. Pygmy sharks are ovoviviparous and produce about 8 young in each litter. ==References== * Database entry includes justification for why this species is of least concern * * * Tony Ayling & Geoffrey Cox, ''Collins Guide to the Sea Fishes of New Zealand'', (William Collins Publishers Ltd, Auckland, New Zealand 1982) ISBN 0-00-216987-8 * Timothy C. Tricas & others, ''Sharks & Rays'', (Harper Collins Publishers Ltd, London, UK 1997) ISBN 0-00-220104-6 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「pygmy shark」の詳細全文を読む スポンサード リンク
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