A trade-off between tooth size and jaw mobility has restricted fish evolution, Nick Peoples at the University of California ...

Betta fish are incredibly popular, mostly for their ability to live as sole fish in small tanks. However, many people ...

Everybody—from beaded bag connoisseurs to wellness influencers—are talking about sardines. Beyond fashion, it makes sense: The tiny oily fish has many benefits when it comes to your skin, hair, and ...

Different species and sizes of fish have varying tolerances for hypoxia, so fish kills may only affect some sizes and species of fish, like shad, while other sizes and species survive.