扁头哈那鲨

Notorynchus cepedianus

七道鳃裂掠过浅湾

扁頭哈那鯊（學名：Notorynchus cepedianus），又名油夷鮫，是軟骨魚綱板鰓亞綱六鰓鯊目六鰓鯊科哈那鯊屬下唯一的物種。一般的鯊魚都只有五個鰓裂，而扁頭哈那鯊就有七個。

纲: 板鳃纲
目: 六鳃鲨目
科: Hexanchidae
属: Notorynchus
最大体长: 300 cm
体型: elongated
分布: Circumglobal: In tropical to temperate waters; except North Atlantic and Mediterranean Sea. Southwest Atlantic: southern Brazil to northern Argentina. Southeast Atlantic: Namibia to East London, South Africa (Ref. 5578 ). Western Pacific: southern Japan to New Zealand. Eastern Pacific: British Columbia, Canada to Chile. Record from India maybe erroneous.
保护状态: VU易危

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