目 ツノザメ目 ツノザメ科 Squalidae 説明 両顎歯は外側に傾いた刀状で、隣の歯と接する。第一背鰭は第二背鰭よりふつう大きい。 背鰭には溝のない大きな棘がある。尾柄側面にはキールがある。尾鰭先端付近に欠刻がない。 ツノザメ科の一覧 ヒゲツノザメ属 Cirrhigaleus Roughskin Spurdog Cirrhigaleus asper Southern Mandarin Shark Cirrhigaleus australis ヒゲツノザメ / Mandarin Shark Cirrhigaleus barbifer ツノザメ属 Squalus Spiny Dogfish Squalus acanthias Bluntnose Spurdog Squalus acutipinnis Brazilian Whitetail Dogfish Squalus albicaudus Eastern Highfin Spurdog Squalus albifrons Western Highfin Spurdog Squalus altipinnis Northeastern Brazilian Dogfish Squalus bahiensis African Longnose Spurdog Squalus bassi Longnose Spurdog Squalus blainville Japanese Shortnose Spurdog Squalus brevirostris Bighead Spurdog Squalus bucephalus Greeneye Spurdog Squalus chloroculus Genie’s Dogfish Squalus clarkae Fatspine Spurdog Squalus crassispinus Cuban Dogfish Squalus cubensis Edmunds’ Spurdog Squalus edmundsi Taiwan Spurdog Squalus formosus Eastern Longnose Spurdog Squalus grahami Northern Spiny Dogfish Squalus griffini Hawaiian Spurdog Squalus hawaiiensis Indonesian Shortnose Spurdog Squalus hemipinnis Japanese Spurdog Squalus japonicus Seychelles Spurdog Squalus lalannei Atlantic Lobefin Dogfish Squalus lobularis Malagasy Skinny Spurdog Squalus mahia Smith's Spurdog Squalus margaretsmithae Shortnose Spurdog Squalus megalops Blacktailed Spurdog Squalus melanurus Shortspine Spurdog Squalus mitsukurii Philippine Spurdog Squalus montalbani Western Longnose Spurdog Squalus nasutus Bartail Spurdog Squalus notocaudatus Western Humpback Dogfish Squalus quasimodo Cyrano Spurdog Squalus rancureli Kermadec Spiny Dogfish Squalus raoulensis North Pacific Spiny Dogfish Squalus suckleyi 出典・参考資料 SHARKS サメ-海の王者たち-改訂版 (仲谷一宏,2016 - ブックマン社)