Warm weather may influence both fish and shark activity.

温暖的气候影响着鱼类和鲨鱼的活动。

youdao

Mercury levels are high in marine fish, too—particularly in larger species, such as shark, tuna, and swordfish.

海洋鱼类中的汞含量也很高——尤其在体型较大的鱼类体内，如鲨鱼、金枪鱼和旗鱼。

youdao

The shark might go for the injured fish you had attacked and take a big bite of you at the same time.

鲨鱼可能会扑向你攻击过的受伤的鱼，同时咬你一口。

youdao

One reason is that overfishing of sharks and related fish has reduced the size of some shark populations.

VOA: special.2009.06.16

Levels of mercury in fish other than shark, swordfish and marlin did not give cause for concern.

BBC: Predatory fish health warning

The risk increases as off-shore pollution increases and as more people eat more fish including shark.

CNN: Beware of shark meat, FDA warns

This diet was supplemented with fresh fish caught as they traveled, including tuna and shark.

CNN: The Kon-Tiki: Crossing an ocean on balsa