Few deep-sea species will cause an entire research vessel’s crew to rush into the control room to catch a glimpse—but the ...

Monterey Bay anglers enjoyed a great week of fishing with mostly good conditions and plenty of fish on the bite.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The sensitive ...

According to animal experimentation statistics, fish are the second most commonly used group of animals in research after mice. They play an important role in aquaculture and also serve as model ...

When news breaks, you need to understand what actually matters — and what to do about it. At Vox, our mission to help you make sense of the world has never been more vital. But we can’t do it on our ...

After nine months, the strange behavior that claimed the lives of endangered sawfish is back. Here’s what we know about what’s causing it. Dead sawfish washed up on beaches in the Florida Keys last ...

Coral-independent Red Sea fish may be the next Mediterranean invaders, according to a model built from underwater observations.

An integrative morphological and molecular study supports Pseudobenedenia lauriei as a valid parasitic flatworm species ...

Removing invasive bass from South Africa’s Breekkrans River has expanded the habitat of the critically endangered doring ...

Japan is witnessing a dramatic transformation in its marine ecosystems as rising ocean temperatures prompt fish species to ...