However, many fish, such as shark, catfish, swordfish, and sea trout, contain almost one-third fat, while salmon and orange roughy contain over 50%.

然而，许多鱼类，如鲨鱼，鲶鱼，旗鱼和海鳟，含有近三分之一脂肪，而鲑鱼和橘棘鲷（红鱼）则超过50％。

youdao

The sand around him was strewn with fossil shark teeth, sea urchin spines, and the bones of giant catfish.

四周的沙粒，散落着鲨鱼牙齿、海胆脊椎、巨型鲶鱼的化石。

youdao

Among them is the Mekong giant catfish, which is the size of a bull shark, and the Mekong stingray, which can weigh up to 600kg.

其中包括湄公河巨型鲶鱼，体型可比牛鲨，以及湄公河黄貂鱼，体重可达600千克。

youdao