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Zeb Hogan and a Thai fishermen find a 70-pound, 4-foot-long bagrid catfish (Bagarius yarrelli) in northern Thailand in 2007.

泽布·霍根和一位泰国渔民2007年在泰国北部发现一条70磅重、4英尺长的鲿科鲶鱼(学名：Bagarius yarrelli) 。

Join biologist Zeb Hogan of the National Geographic Society´s Megafishes Project as he explores the threats facing the giant sturgeon and the efforts underway to save it.

请参与到生物学家瑞博·霍根的国家地理学会下的巨型鱼类保护项目(Megafishes Project)中来，他负责研究巨鲟面对的威胁并正在努力拯救着巨鲟。

We asked fish expert and National Geographic Fellow Zeb hogan-also an assistant research professor at the University of nevada-to put this giant discovery into perspective.

我们向鱼类专家、国家地理研究员泽布·霍根——同时也是内华达大学研究助教——讨教这种巨型生物。