Others are more subtle. Consider the case of the damselfish: Looking off the coast from the Caribbean island of Bonaire, the glistening, aquamarine sea looks peaceful. But just under the waves ...

To investigate how warmer waters affect memory in tropical fish, the researchers studied damselfish, which often dwell in reefs. They are highly territorial and aggressive. Despite their small ...

A similar strategy plays out in the Great Barrier Reef. When threatened by predators, the lemon damselfish sheds a chemical alarm—a substance housed in its skin that says, “I’m being ...

That’s why Cooper, a bespectacled PhD candidate, had toted his damselfish research to the gala. The $15,000 he has received in ARCS stipends has funded otherwise unaffordable research in ...

Luiz Rocha was scuba diving 460 feet beneath the surface of the Indian Ocean when a flash caught his eye: a small damselfish with big eyes, perched on a colorful reef. Rocha, a scientist and ...

Jewel damselfish living on coral reefs surrounding rat-infested tropical islands have become less territorial and less aggressive due to a bizarre ecological link between the two species ...

A team of scientists found that damselfish have larger territories that they defend less aggressively on reefs near rat-infested islands. Rats and other rodents often tag along on ships.

Damselfish can make pops, clicks and chirps by grinding their teeth. When seeking a mate, some can make more high-pitched ...

For instance, when confronted by a damselfish, it mimics a sea snake, a known predator of damselfish. This strategic behavior highlights the octopus’s adaptability and problem-solving skills ...

Damselfish have been discovered to disrupt ‘cleaning services’ vital to the health of reefs. And climate change may mean this is only likely to get worse. The meal of choice for the Caribbean ...