The chain catshark may look like any other shark in daylight, but under blue light, its skin glows neon green. Here’s a breakdown of this remarkable adaptation.

The tiny Amazon molly (Poecilia formosa) has always fascinated researchers because, according to the rules of evolution, it shouldn't have survived as a species, let alone thrive as a species for over ...

As the saying goes, there are plenty more fish in the sea—but climate change is rapidly challenging that notion, with fish stocks around the world under threat. New modeling from Monash University ...

LMU computational biologist helps uncover how the Amazon molly maintains a healthy genome without sexual reproductionThe Amazon molly is a remarkable ...

Sharks might not be a natural biological group, with most species potentially closer kin to rays than to an oddball group of sharks.

Scientists have revealed new details about ancient fish more than 400 million years old, which became the ancestors of ...

Meet the Sword Dragon of Dorset - a ichthyosaur fossil from the Pliensbachian Stage which holds clues to marine reptile evolution.

Scientists have uncovered new clues about some of Earth’s earliest fish, shedding light on the ancient origins of vertebrates ...

The Amazon molly reproduces without sex. A genomic copy-and-paste trick called gene conversion may explain how it avoids evolutionary meltdown.

Fish levels fall by 7.2 per cent with as little as 0.1C of warming per decade, northern hemisphere research shows.

Partula snails all but vanished from Polynesia after the arrival of a carnivorous foreign snail. But a global alliance of zoos has worked to bring them back.

Amazon mollies don't need a man, and never will. A new study finds they can purge and repair genetic mutations that would otherwise plague a self-cloning species.