mackerel shark
Any shark of the order Lamniformes, having two dorsal fins an anal fin, five gill slits and eyes without nictitating membrane / Any shark of the family Lamnidae.
plural of interedge
plural of bulletin board
Third-person singular simple present indicative form of recross
調査船から、温躍層に沿って滑る、背びれが2つ、肛門鰭が1つ、鰓裂が5つで瞬膜を持たないメジロザメ目のサメを観察した。
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