The opah, also known as the moonfish, has relatively small red fins decorating its large, round body, which can grow up to 6 feet (1.8 meters) long. These fins, which flap rapidly as the fish ...

The longest creature found was nearly 3.8 inches long, the study said. The species is one of the largest types of Moenkhausia ever recorded. The rio Braço Norte is in central Brazil in the Pará ...

The opah, also known as the moonfish, has relatively small red fins decorating its large, round body, which can grow up to 6 feet (1.8 meters) long. These fins, which flap rapidly as the fish ...

The opah, also known as the moonfish, has relatively small red fins decorating its large, round body, which can grow up to 6 feet (1.8 meters) long. These fins, which flap rapidly as the fish ...

To female molly and Limia fish, nothing is hotter than a male with a large dorsal fin. But these fins aren't just decorations to attract females. Males also use them to fight or intimidate rivals ...

It’s no big news that hands and feet evolved from aquatic fins. But when you look at a modern fish, … It's no big news that hands and feet evolved from aquatic fins.

Two studies from other laboratories published online with this one in Cell looked at the genomes of early branching ray-finned fishes and African lungfish and suggested that a capacity to build limbs ...

Size matters: To livebearer fish, big fins are a big deal. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2019 / 01 / 190117142135.htm ...