Hogan and a wels catfish (Silurus glanis) take a swim in Spain's Ebro River, 2009.

2009年，国家地理研究员泽布·霍根和一位捕鱼向导在西班牙的埃布罗河托着一条135磅重、83英寸长的六须巨鲇（学名：Silurusglanis）。

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Compared with Silurus meridionalis Chen, whose external appearance was similar to the local catfishs, the local catfish grew slower.

对本地鲶鱼的形态、生活习性、食性等生物学特征进行了观察，并把它与在外形上与其相似的南方鲶进行了比较。

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The pathogenic strains were isolated from sick Silurus meridionalis, named N1, N2, N3 and N4. And three Bdellovibrios were isolated from fishpond sullage using N3 as prey.

从患病南方大口鲶分离得到病原菌N1、N2、N3、N4，以N3为宿主菌，从鱼塘淤泥中分离到三株蛭弧菌。

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The pathogenic strains were isolated from sick Silurus meridionalis, named N1, N2, N3 and N4. And three Bdellovibrios were isolated from fishpond sullage using N3 as prey.

从患病南方大口鲶分离得到病原菌N1、N2、N3、N4，以N3为宿主菌，从鱼塘淤泥中分离到三株蛭弧菌。

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