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Shortnose sawshark : ウィキペディア英語版 | Shortnose sawshark
The shortnose sawshark or southern sawshark ''Pristiophorus nudipinnis'', is a sawshark of the family Pristiophoridae. The body of this shark is slightly compressed, and its rostrum is narrow. The two dorsal fins are almost identical in size. In color, the dorsal side of this sawshark tends to be uniformly slate gray, with few or no markings. The ventral side is pale white or cream. Females reach around long, and males reach around long. These sharks can live to be up to 9 years old. ==Behavior== Leading a benthic lifestyle, the shortnose sawshark primarily feeds on benthic invertebrates and small bony fish. Like other sawsharks, this species' reproduction is ovoviviparous. It gives birth biannually to a litter of 7-14 pups. The size of pups at birth is about .
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「Shortnose sawshark」の詳細全文を読む
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