The ocean sunfish looks like an evolutionary mistake: no tail, no ribs, no axial swimming muscles, and a body that appears half-finished. Yet it is the heaviest bony fish on Earth, reaching weights ...

When you're a predatory fish, sometimes the lunch you gobbled up doesn't agree with you. Rather than accepting its fate, the still-living meal escapes your stomach and flees through the nearest ...

According to Sugiura, whose research was published in Scientific Reports, these behaviors may actually be more common than we think—they’re just tough to spot out in the wild. Sarah Hermann, an ...