Well, these fish eyes see both. Anableps doesn't actually have four eyes—just the usual two. But each eye has two pupils, one above water, one below. And each pupil sends incoming visual info to ...

It might look like an alien from outer space, but this bizarre creature is a four-eyed fish that lives deep beneath the ocean on our planet. The fish's extra pair of eyes give it 360° vision ...

Usually, dragon fish ... eye, where they produce a blue-green light. Previous work had already shown that males benefited from larger photophores. "This is undoubtedly a way of distinguishing the ...